Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/164543?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/164543?format=api", "purl": "pkg:rpm/redhat/nss@3.19.1-3?arch=el6_6", "type": "rpm", "namespace": "redhat", "name": "nss", "version": "3.19.1-3", "qualifiers": { "arch": "el6_6" }, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": null, "latest_non_vulnerable_version": null, "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/2931?format=api", "vulnerability_id": "VCID-7gkv-pu79-43hx", "summary": "Security researcher Matthew Green reported a Diffie–Hellman\n(DHE) key processing issue in Network Security Services (NSS) where a\nman-in-the-middle (MITM) attacker can force a server to downgrade TLS\nconnections to 512-bit export-grade cryptography by modifying client\nrequests to include only export-grade cipher suites. The resulting\nweak key can then be leveraged to impersonate the server. This attack\nis detailed in the \"Imperfect Forward\nSecrecy: How Diffie-Hellman Fails in Practice\" paper and is known as the\n\"Logjam Attack.\"This issue was fixed in NSS version 3.19.1 by limiting the lower strength of\nsupported DHE keys to use 1023 bit primes.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-4000.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.7", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-4000.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2015-4000", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.92346", "scoring_system": "epss", "scoring_elements": "0.9974", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2015-4000" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8176", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8176" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8873", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8873" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0460", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0460" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0469", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0469" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0470", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0470" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0477", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0477" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0478", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0478" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0480", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0480" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0488", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0488" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1788", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1788" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1789", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1789" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1790", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1790" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1791", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1791" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1792", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1792" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2590", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2590" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2601", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2601" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2613", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2613" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2621", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2621" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2625", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2625" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2628", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2628" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2632", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2632" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2808", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2808" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4731", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4731" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4732", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4732" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4733", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4733" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4748", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4748" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4749", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4749" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4760", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4760" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1223211", "reference_id": "1223211", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1223211" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4000", "reference_id": "CVE-2015-4000", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4000" }, { "reference_url": "https://security.gentoo.org/glsa/201512-10", "reference_id": "GLSA-201512-10", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/201512-10" }, { "reference_url": "https://security.gentoo.org/glsa/201603-11", "reference_id": "GLSA-201603-11", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/201603-11" }, { "reference_url": "https://security.gentoo.org/glsa/201605-06", "reference_id": "GLSA-201605-06", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/201605-06" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2015-70", "reference_id": "mfsa2015-70", "reference_type": "", "scores": [ { "value": "none", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2015-70" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1072", "reference_id": "RHSA-2015:1072", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1072" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1185", "reference_id": "RHSA-2015:1185", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1185" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1197", "reference_id": "RHSA-2015:1197", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1197" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1228", "reference_id": "RHSA-2015:1228", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1228" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1229", "reference_id": "RHSA-2015:1229", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1229" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1230", "reference_id": "RHSA-2015:1230", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1230" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1241", "reference_id": "RHSA-2015:1241", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1241" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1242", "reference_id": "RHSA-2015:1242", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1242" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1243", "reference_id": "RHSA-2015:1243", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1243" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1485", "reference_id": "RHSA-2015:1485", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1485" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1486", "reference_id": "RHSA-2015:1486", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1486" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1488", "reference_id": "RHSA-2015:1488", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1488" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1526", "reference_id": "RHSA-2015:1526", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1526" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1544", "reference_id": "RHSA-2015:1544", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1544" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1604", "reference_id": "RHSA-2015:1604", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1604" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2016:2056", "reference_id": "RHSA-2016:2056", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2016:2056" } ], "fixed_packages": [], "aliases": [ "CVE-2015-4000" ], "risk_score": 6.6, "exploitability": "2.0", "weighted_severity": "3.3", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-7gkv-pu79-43hx" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/2945?format=api", "vulnerability_id": "VCID-vct8-ur1y-63db", "summary": "Security researcher Karthikeyan Bhargavan reported an issue\nin Network Security Services (NSS) where the client allows for a ECDHE_ECDSA\nexchange where the server does not send its ServerKeyExchange\nmessage instead of aborting the handshake. Instead, the NSS client will take the\nEC key from the ECDSA certificate. This violates the TLS protocol and also has\nsome security implications for forward secrecy. In this situation, the browser\nthinks it is engaged in an ECDHE exchange, but has been silently downgraded to a\nnon-forward secret mixed-ECDH exchange instead. As a result, if False\nStart is enabled, the browser will start sending data encrypted under\nthese non-forward-secret connection keys. This issue was fixed in NSS version\n3.19.1.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-2721.json", "reference_id": "", "reference_type": "", "scores": [], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-2721.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2015-2721", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00511", "scoring_system": "epss", "scoring_elements": "0.66799", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2015-2721" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1236967", "reference_id": "1236967", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1236967" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2721", "reference_id": "CVE-2015-2721", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2721" }, { "reference_url": "https://security.gentoo.org/glsa/201512-10", "reference_id": "GLSA-201512-10", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/201512-10" }, { "reference_url": "https://security.gentoo.org/glsa/201605-06", "reference_id": "GLSA-201605-06", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/201605-06" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2015-71", "reference_id": "mfsa2015-71", "reference_type": "", "scores": [ { "value": "none", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2015-71" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1185", "reference_id": "RHSA-2015:1185", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1185" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2015:1664", "reference_id": "RHSA-2015:1664", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2015:1664" } ], "fixed_packages": [], "aliases": [ "CVE-2015-2721" ], "risk_score": null, "exploitability": "0.5", "weighted_severity": "0.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-vct8-ur1y-63db" } ], "fixing_vulnerabilities": [], "risk_score": "6.6", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/nss@3.19.1-3%3Farch=el6_6" }