{"id":"CVE-2026-7164","state":"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.","publishedAt":"2026-04-30T07:23:52.601Z","updatedAt":"2026-04-30T13:09:07.760Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"freebsd","products":["FreeBSD FreeBSD"],"affected":[{"vendor":"FreeBSD","product":"FreeBSD","defaultStatus":"unknown","versions":[{"version":"15.0-RELEASE","status":"affected","lessThan":"p7","versionType":"release"},{"version":"14.4-RELEASE","status":"affected","lessThan":"p3","versionType":"release"},{"version":"14.3-RELEASE","status":"affected","lessThan":"p12","versionType":"release"},{"version":"13.5-RELEASE","status":"affected","lessThan":"p13","versionType":"release"}],"modules":["pf"]}],"references":["https://security.freebsd.org/advisories/FreeBSD-SA-26:14.pf.asc"],"weaknesses":["CWE-674","CWE-791"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/7xxx/CVE-2026-7164.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-7164","state":"PUBLISHED","datePublished":"2026-04-30T07:23:52.601Z","dateUpdated":"2026-04-30T13:09:07.760Z","assignerShortName":"freebsd","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","dateReserved":"2026-04-27T06:03:58.316Z"},"containers":{"cna":{"title":"pf can overflow the stack parsing crafted SCTP packets","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"FreeBSD","product":"FreeBSD","defaultStatus":"unknown","versions":[{"version":"15.0-RELEASE","status":"affected","lessThan":"p7","versionType":"release"},{"version":"14.4-RELEASE","status":"affected","lessThan":"p3","versionType":"release"},{"version":"14.3-RELEASE","status":"affected","lessThan":"p12","versionType":"release"},{"version":"13.5-RELEASE","status":"affected","lessThan":"p13","versionType":"release"}],"modules":["pf"]}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:14.pf.asc","tags":["vendor-advisory"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-674","description":"CWE-674: Uncontrolled Recursion","lang":"en","type":"CWE"},{"cweId":"CWE-791","description":"CWE-791: Incomplete Filtering of Special Elements","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"freebsd","orgId":"63664ac6-956c-4cba-a5d0-f46076e16109","dateUpdated":"2026-04-30T07:23:52.601Z"},"datePublic":"2026-04-29T19:00:00.000Z","credits":[{"lang":"en","type":"finder","value":"Igor Gabriel Sousa e Souza"}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-30T13:08:52.241699Z","id":"CVE-2026-7164","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-30T13:09:07.760Z"}}]}}}