{"id":"CVE-2026-7164","aliases":["EUVD-2026-26352","GHSA-7vxr-7vxq-j68j"],"status":"published","title":"pf can overflow the stack parsing crafted SCTP packets","description":"Incorrect packet validation allowed unbounded recursion parsing SCTP chunk parameters.  This can eventually result in a stack overflow and panic.\n\nRemote attackers can craft packets which cause affected systems to panic.  This affects any system where pf is configured to process traffic, independent of the configured ruleset.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00432,"percentile":0.37769,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-674","CWE-791"],"published":"2026-04-30T07:23:52Z","modified":"2026-06-17T11:01:57Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:14.pf.asc","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7164"},{"url":"https://github.com/advisories/GHSA-7vxr-7vxq-j68j"}],"sources":{"cve":[{"id":"CVE-2026-7164","title":"pf can overflow the stack parsing crafted SCTP packets","description":"Incorrect packet validation allowed unbounded recursion parsing SCTP chunk parameters.  This can eventually result in a stack overflow and panic.\n\nRemote attackers can craft packets which cause affected systems to panic.  This affects any system where pf is configured to process traffic, independent of the configured ruleset.","status":"published","published":"2026-04-30T07:23:52.601Z","modified":"2026-04-30T13:09:07.76Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-674","CWE-791"],"updated_at":"2026-11-02T14:20:05.830416Z"}],"euvd":[{"id":"EUVD-2026-26352","description":"Incorrect packet validation allowed unbounded recursion parsing SCTP chunk parameters.  This can eventually result in a stack overflow and panic.\n\nRemote attackers can craft packets which cause affected systems to panic.  This affects any system where pf is configured to process traffic, independent of the configured ruleset.","status":"published","published":"2026-04-30T07:23:52Z","modified":"2026-04-30T13:09:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T19:05:19.116327Z"}],"ghsa":[{"id":"GHSA-7vxr-7vxq-j68j","title":"Incorrect packet validation allowed unbounded recursion parsing SCTP chunk parameters.  This can...","description":"Incorrect packet validation allowed unbounded recursion parsing SCTP chunk parameters.  This can eventually result in a stack overflow and panic.\n\nRemote attackers can craft packets which cause affected systems to panic.  This affects any system where pf is configured to process traffic, independent of the configured ruleset.","status":"published","published":"2026-04-30T09:30:25Z","modified":"2026-04-30T15:31:41Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:07:52.236911Z"}],"nvd":[{"id":"CVE-2026-7164","description":"Incorrect packet validation allowed unbounded recursion parsing SCTP chunk parameters.  This can eventually result in a stack overflow and panic.\n\nRemote attackers can craft packets which cause affected systems to panic.  This affects any system where pf is configured to process traffic, independent of the configured ruleset.","status":"published","published":"2026-04-30T08:16:07.653Z","modified":"2026-06-17T11:01:57.55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-674","CWE-791"],"updated_at":"2026-11-02T14:12:16.626888Z"}]}}