Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/491539?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/491539?format=api", "purl": "pkg:apk/alpine/nss@3.73-r0?arch=x86_64&distroversion=v3.21&reponame=main", "type": "apk", "namespace": "alpine", "name": "nss", "version": "3.73-r0", "qualifiers": { "arch": "x86_64", "distroversion": "v3.21", "reponame": "main" }, "subpath": "", "is_vulnerable": false, "next_non_vulnerable_version": "3.76.1-r0", "latest_non_vulnerable_version": "3.98-r0", "affected_by_vulnerabilities": [], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/1277?format=api", "vulnerability_id": "VCID-yjyn-kpq2-qkb7", "summary": "NSS (Network Security Services) versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overflow when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures encoded within CMS, S/MIME, PKCS \\#7, or PKCS \\#12 are likely to be impacted. Applications using NSS for certificate validation or other TLS, X.509, OCSP or CRL functionality may be impacted, depending on how they configure NSS. *Note: This vulnerability does NOT impact Mozilla Firefox.* However, email clients and PDF viewers that use NSS for signature verification, such as Thunderbird, LibreOffice, Evolution and Evince are believed to be impacted.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-43527.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.8", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-43527.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-43527", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.05243", "scoring_system": "epss", "scoring_elements": "0.90166", "published_at": "2026-06-09T12:55:00Z" }, { "value": "0.05243", "scoring_system": "epss", "scoring_elements": "0.90151", "published_at": "2026-06-08T12:55:00Z" }, { "value": "0.05243", "scoring_system": "epss", "scoring_elements": "0.90154", "published_at": "2026-06-06T12:55:00Z" }, { "value": "0.05243", "scoring_system": "epss", "scoring_elements": "0.90139", "published_at": "2026-06-04T12:55:00Z" }, { "value": "0.05243", "scoring_system": "epss", "scoring_elements": "0.90152", "published_at": "2026-06-07T12:55:00Z" }, { "value": "0.05243", "scoring_system": "epss", "scoring_elements": "0.90156", "published_at": "2026-06-05T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-43527" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43527", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43527" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024370", "reference_id": "2024370", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024370" }, { "reference_url": "https://security.archlinux.org/ASA-202112-3", "reference_id": "ASA-202112-3", "reference_type": "", "scores": [], "url": "https://security.archlinux.org/ASA-202112-3" }, { "reference_url": "https://security.archlinux.org/ASA-202112-4", "reference_id": "ASA-202112-4", "reference_type": "", "scores": [], "url": "https://security.archlinux.org/ASA-202112-4" }, { "reference_url": "https://security.archlinux.org/AVG-2596", "reference_id": "AVG-2596", "reference_type": "", "scores": [ { "value": "High", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2596" }, { "reference_url": "https://security.archlinux.org/AVG-2597", "reference_id": "AVG-2597", "reference_type": "", "scores": [ { "value": "High", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2597" }, { "reference_url": "https://security.gentoo.org/glsa/202212-05", "reference_id": "GLSA-202212-05", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/202212-05" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-51", "reference_id": "mfsa2021-51", "reference_type": "", "scores": [ { "value": "critical", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-51" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4903", "reference_id": "RHSA-2021:4903", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4903" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4904", "reference_id": "RHSA-2021:4904", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4904" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4907", "reference_id": "RHSA-2021:4907", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4907" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4909", "reference_id": "RHSA-2021:4909", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4909" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4919", "reference_id": "RHSA-2021:4919", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4919" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4932", "reference_id": "RHSA-2021:4932", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4932" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4933", "reference_id": "RHSA-2021:4933", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4933" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4946", "reference_id": "RHSA-2021:4946", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4946" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4953", "reference_id": "RHSA-2021:4953", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4953" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4954", "reference_id": "RHSA-2021:4954", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4954" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4969", "reference_id": "RHSA-2021:4969", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4969" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:4994", "reference_id": "RHSA-2021:4994", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:4994" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:5006", "reference_id": "RHSA-2021:5006", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:5006" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2021:5035", "reference_id": "RHSA-2021:5035", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2021:5035" }, { "reference_url": "https://usn.ubuntu.com/5168-1/", "reference_id": "USN-5168-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/5168-1/" }, { "reference_url": "https://usn.ubuntu.com/5168-2/", "reference_id": "USN-5168-2", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/5168-2/" }, { "reference_url": "https://usn.ubuntu.com/5168-3/", "reference_id": "USN-5168-3", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/5168-3/" }, { "reference_url": "https://usn.ubuntu.com/5168-4/", "reference_id": "USN-5168-4", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/5168-4/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/491539?format=api", "purl": "pkg:apk/alpine/nss@3.73-r0?arch=x86_64&distroversion=v3.21&reponame=main", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/nss@3.73-r0%3Farch=x86_64&distroversion=v3.21&reponame=main" } ], "aliases": [ "CVE-2021-43527" ], "risk_score": 4.5, "exploitability": "0.5", "weighted_severity": "9.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-yjyn-kpq2-qkb7" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/nss@3.73-r0%3Farch=x86_64&distroversion=v3.21&reponame=main" }