Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/130836?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/130836?format=api", "purl": "pkg:gem/grpc@1.56", "type": "gem", "namespace": "", "name": "grpc", "version": "1.56", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": null, "latest_non_vulnerable_version": null, "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/18660?format=api", "vulnerability_id": "VCID-9rmn-3anf-fqcm", "summary": "Excessive Iteration in gRPC\ngRPC contains a vulnerability that allows hpack table accounting errors could lead to unwanted disconnects between clients and servers in exceptional cases/ Three vectors were found that allow the following DOS attacks:\n\n- Unbounded memory buffering in the HPACK parser\n- Unbounded CPU consumption in the HPACK parser\n\nThe unbounded CPU consumption is down to a copy that occurred per-input-block in the parser, and because that could be unbounded due to the memory copy bug we end up with an O(n^2) parsing loop, with n selected by the client.\n\nThe unbounded memory buffering bugs:\n\n- The header size limit check was behind the string reading code, so we needed to first buffer up to a 4 gigabyte string before rejecting it as longer than 8 or 16kb.\n- HPACK varints have an encoding quirk whereby an infinite number of 0’s can be added at the start of an integer. gRPC’s hpack parser needed to read all of them before concluding a parse.\n- gRPC’s metadata overflow check was performed per frame, so that the following sequence of frames could cause infinite buffering: HEADERS: containing a: 1 CONTINUATION: containing a: 2 CONTINUATION: containing a: 3 etc…", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-33953.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-33953.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-33953", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.29995", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30438", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30484", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30294", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30353", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30387", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30389", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30345", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30298", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30314", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30297", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30252", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.30187", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00116", "scoring_system": "epss", "scoring_elements": "0.3007", "published_at": "2026-04-26T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-33953" }, { "reference_url": "https://cloud.google.com/support/bulletins#gcp-2023-022", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-27T17:54:21Z/" } ], "url": "https://cloud.google.com/support/bulletins#gcp-2023-022" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-33953", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-33953" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://security.snyk.io/vuln/SNYK-RUBY-GRPC-5834442", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://security.snyk.io/vuln/SNYK-RUBY-GRPC-5834442" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059279", "reference_id": "1059279", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059279" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2230890", "reference_id": "2230890", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2230890" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33953", "reference_id": "CVE-2023-33953", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33953" }, { "reference_url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/grpc/CVE-2023-33953.yml", "reference_id": "CVE-2023-33953.YML", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/grpc/CVE-2023-33953.yml" }, { "reference_url": "https://github.com/advisories/GHSA-496j-2rq6-j6cc", "reference_id": "GHSA-496j-2rq6-j6cc", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "" }, { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-496j-2rq6-j6cc" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2024:10761", "reference_id": "RHSA-2024:10761", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2024:10761" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/59413?format=api", "purl": "pkg:gem/grpc@1.56.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9rmn-3anf-fqcm" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/grpc@1.56.2" } ], "aliases": [ "CVE-2023-33953", "GHSA-496j-2rq6-j6cc" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-9rmn-3anf-fqcm" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/19014?format=api", "vulnerability_id": "VCID-sufp-vkzp-xygp", "summary": "Denial of Service Vulnerability in gRPC TCP Server (Posix-compatible platforms)\nLack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4785.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4785.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-4785", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00042", "scoring_system": "epss", "scoring_elements": "0.12892", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00042", "scoring_system": "epss", "scoring_elements": "0.12786", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00042", "scoring_system": "epss", "scoring_elements": "0.12903", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00042", "scoring_system": "epss", "scoring_elements": "0.12927", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17483", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17326", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17318", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17376", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17429", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17477", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17464", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17404", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17312", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00055", "scoring_system": "epss", "scoring_elements": "0.17531", "published_at": "2026-04-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-4785" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4785", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4785" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/grpc/grpc/pull/33656", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-25T18:02:01Z/" } ], "url": "https://github.com/grpc/grpc/pull/33656" }, { "reference_url": "https://github.com/grpc/grpc/pull/33667", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-25T18:02:01Z/" } ], "url": "https://github.com/grpc/grpc/pull/33667" }, { "reference_url": "https://github.com/grpc/grpc/pull/33669", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-25T18:02:01Z/" } ], "url": "https://github.com/grpc/grpc/pull/33669" }, { "reference_url": "https://github.com/grpc/grpc/pull/33670", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-25T18:02:01Z/" } ], "url": "https://github.com/grpc/grpc/pull/33670" }, { "reference_url": "https://github.com/grpc/grpc/pull/33672", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-25T18:02:01Z/" } ], "url": "https://github.com/grpc/grpc/pull/33672" }, { "reference_url": "https://groups.google.com/g/grpc-io/c/LlLkB1CeE4U", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "" }, { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://groups.google.com/g/grpc-io/c/LlLkB1CeE4U" }, { "reference_url": "https://rubygems.org/gems/grpc/versions/1.53.2", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://rubygems.org/gems/grpc/versions/1.53.2" }, { "reference_url": "https://rubygems.org/gems/grpc/versions/1.54.3", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://rubygems.org/gems/grpc/versions/1.54.3" }, { "reference_url": "https://rubygems.org/gems/grpc/versions/1.55.3", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://rubygems.org/gems/grpc/versions/1.55.3" }, { "reference_url": "https://rubygems.org/gems/grpc/versions/1.56.2", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://rubygems.org/gems/grpc/versions/1.56.2" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059281", "reference_id": "1059281", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059281" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2239017", "reference_id": "2239017", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2239017" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4785", "reference_id": "CVE-2023-4785", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4785" }, { "reference_url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/grpc/CVE-2023-4785.yml", "reference_id": "CVE-2023-4785.YML", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/grpc/CVE-2023-4785.yml" }, { "reference_url": "https://github.com/advisories/GHSA-p25m-jpj4-qcrr", "reference_id": "GHSA-p25m-jpj4-qcrr", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-p25m-jpj4-qcrr" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2024:0797", "reference_id": "RHSA-2024:0797", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2024:0797" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/59413?format=api", "purl": "pkg:gem/grpc@1.56.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9rmn-3anf-fqcm" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/grpc@1.56.2" } ], "aliases": [ "CVE-2023-4785", "GHSA-p25m-jpj4-qcrr" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-sufp-vkzp-xygp" } ], "fixing_vulnerabilities": [], "risk_score": "4.0", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/grpc@1.56" }