{"id":"CVE-2022-2509","title":"A vulnerability found in gnutls","summary":"A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-415","CWE-415"],"vendor":"gnu","product":"gnutls","affected":["gnutls < 3.7.7","enterprise_linux = 8.0","enterprise_linux = 9.0","fedora = 35","debian_linux = 10.0","debian_linux = 11.0"],"patched":["gnutls 3.7.7"],"published":"2022-08-01","updated":"2026-10-14","sourceUpdated":"2026-10-14T13:17:21.447","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-2509","references":[{"url":"https://access.redhat.com/security/cve/CVE-2022-2509","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2022/08/msg00002.html","label":"secalert@redhat.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FL27JS3VM74YEQU7PGB62USO3KSBYZX/","label":"secalert@redhat.com"},{"url":"https://lists.gnupg.org/pipermail/gnutls-help/2022-July/004746.html","label":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2022/dsa-5203","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2022-2509","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/08/msg00002.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FL27JS3VM74YEQU7PGB62USO3KSBYZX/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.gnupg.org/pipermail/gnutls-help/2022-July/004746.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5203","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.01988,"epssPercentile":0.80093,"ingestedAt":"2026-10-14T13:30:58.416Z","slug":"CVE-2022-2509","body":"## Overview\n\nA vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.\n\n## Affected\n\n- `gnutls < 3.7.7`\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n- `fedora = 35`\n- `debian_linux = 10.0`\n- `debian_linux = 11.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `gnutls 3.7.7`","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.4,"exploitation":0,"ransomware":0},"changes":[]}