{"id":"CVE-2026-63451","published":"2026-09-18T21:17:04.510","lastModified":"2026-09-23T18:25:00.707","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, a locally supplied detection rule that combines frame inspection without content and a transformed match without content can make src/detect-engine-prefilter.c select multiple non-prefilter frame engines while preparing signatures for non-prefilter inspection. Loading the crafted rule, including in test mode, can trigger a heap buffer overflow and crash Suricata; network traffic alone cannot reach the flaw. This issue is fixed in version 8.0.6.","cvssScore":3.3,"cvssSeverity":"LOW","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cwes":["CWE-122"],"vendors":[],"products":[],"references":[{"url":"https://github.com/OISF/suricata/commit/5449ae170bfce213907d9bab87143a59774ed48f","tags":[]},{"url":"https://github.com/OISF/suricata/commit/d62acf5d75a61b76b16815e773408852f41b1975","tags":[]},{"url":"https://github.com/OISF/suricata/pull/15807","tags":[]},{"url":"https://github.com/OISF/suricata/releases/tag/suricata-8.0.6","tags":[]},{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-6qwq-j83r-qp34","tags":[]},{"url":"https://redmine.openinfosecfoundation.org/issues/8590","tags":[]}],"exploitRefs":[{"url":"https://github.com/OISF/suricata/commit/5449ae170bfce213907d9bab87143a59774ed48f","tags":[]},{"url":"https://github.com/OISF/suricata/commit/d62acf5d75a61b76b16815e773408852f41b1975","tags":[]},{"url":"https://github.com/OISF/suricata/pull/15807","tags":[]},{"url":"https://github.com/OISF/suricata/releases/tag/suricata-8.0.6","tags":[]},{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-6qwq-j83r-qp34","tags":[]}],"hasPoc":true,"ai":null}