Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/314056?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/314056?format=api", "purl": "pkg:apk/alpine/upx@4.0.2-r0?arch=aarch64&distroversion=v3.18&reponame=community", "type": "apk", "namespace": "alpine", "name": "upx", "version": "4.0.2-r0", "qualifiers": { "arch": "aarch64", "distroversion": "v3.18", "reponame": "community" }, "subpath": "", "is_vulnerable": false, "next_non_vulnerable_version": null, "latest_non_vulnerable_version": null, "affected_by_vulnerabilities": [], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/103448?format=api", "vulnerability_id": "VCID-bu2t-tyry-gfby", "summary": "A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-23457", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00168", "scoring_system": "epss", "scoring_elements": "0.37641", "published_at": "2026-06-04T12:55:00Z" }, { "value": "0.00168", "scoring_system": "epss", "scoring_elements": "0.37733", "published_at": "2026-06-05T12:55:00Z" }, { "value": "0.00168", "scoring_system": "epss", "scoring_elements": "0.37736", "published_at": "2026-06-06T12:55:00Z" }, { "value": "0.00168", "scoring_system": "epss", "scoring_elements": "0.37706", "published_at": "2026-06-07T12:55:00Z" }, { "value": "0.00168", "scoring_system": "epss", "scoring_elements": "0.37667", "published_at": "2026-06-08T12:55:00Z" }, { "value": "0.00168", "scoring_system": "epss", "scoring_elements": "0.3768", "published_at": "2026-06-09T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-23457" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23457", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23457" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1031874", "reference_id": "1031874", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1031874" }, { "reference_url": "https://github.com/upx/upx/issues/631", "reference_id": "631", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-07T14:53:56Z/" } ], "url": "https://github.com/upx/upx/issues/631" }, { "reference_url": "https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860", "reference_id": "779b648c5f6aa9b33f4728f79dd4d0efec0bf860", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-07T14:53:56Z/" } ], "url": "https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/", "reference_id": "EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-07T14:53:56Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2160382", "reference_id": "show_bug.cgi?id=2160382", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-07T14:53:56Z/" } ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2160382" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/", "reference_id": "TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-07T14:53:56Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/314056?format=api", "purl": "pkg:apk/alpine/upx@4.0.2-r0?arch=aarch64&distroversion=v3.18&reponame=community", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/upx@4.0.2-r0%3Farch=aarch64&distroversion=v3.18&reponame=community" } ], "aliases": [ "CVE-2023-23457" ], "risk_score": 2.4, "exploitability": "0.5", "weighted_severity": "4.8", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-bu2t-tyry-gfby" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/103447?format=api", "vulnerability_id": "VCID-hpy7-v6uc-s7d6", "summary": "A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-23456", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00027", "scoring_system": "epss", "scoring_elements": "0.07977", "published_at": "2026-06-04T12:55:00Z" }, { "value": "0.00027", "scoring_system": "epss", "scoring_elements": "0.08009", "published_at": "2026-06-05T12:55:00Z" }, { "value": "0.00027", "scoring_system": "epss", "scoring_elements": "0.08024", "published_at": "2026-06-06T12:55:00Z" }, { "value": "0.00027", "scoring_system": "epss", "scoring_elements": "0.08007", "published_at": "2026-06-07T12:55:00Z" }, { "value": "0.00027", "scoring_system": "epss", "scoring_elements": "0.07958", "published_at": "2026-06-08T12:55:00Z" }, { "value": "0.00027", "scoring_system": "epss", "scoring_elements": "0.07976", "published_at": "2026-06-09T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-23456" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23456", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23456" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1033258", "reference_id": "1033258", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1033258" }, { "reference_url": "https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4", "reference_id": "510505a85cbe45e51fbd470f1aa8b02157c429d4", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-07T16:19:39Z/" } ], "url": "https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4" }, { "reference_url": "https://github.com/upx/upx/issues/632", "reference_id": "632", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-07T16:19:39Z/" } ], "url": "https://github.com/upx/upx/issues/632" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/", "reference_id": "EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-07T16:19:39Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2160381", "reference_id": "show_bug.cgi?id=2160381", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-07T16:19:39Z/" } ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2160381" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/", "reference_id": "TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-07T16:19:39Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/314056?format=api", "purl": "pkg:apk/alpine/upx@4.0.2-r0?arch=aarch64&distroversion=v3.18&reponame=community", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/upx@4.0.2-r0%3Farch=aarch64&distroversion=v3.18&reponame=community" } ], "aliases": [ "CVE-2023-23456" ], "risk_score": 2.4, "exploitability": "0.5", "weighted_severity": "4.8", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-hpy7-v6uc-s7d6" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/upx@4.0.2-r0%3Farch=aarch64&distroversion=v3.18&reponame=community" }