{"id":"CVE-2026-45764","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-45764","summary":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a protocol change while processing…","details":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a protocol change while processing HTTP/2 traffic could lead to type confusion in Suricata. Crafted traffic may cause Suricata to crash, resulting in denial of service. Versions 7.0.16 and 8.0.5 contain a fix. As a workaround, disable HTTP/2 parsing if it is not required.","published":"2026-09-10T22:16:56.250","modified":"2026-09-10T22:16:56.250","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315"},{"type":"WEB","url":"https://github.com/OISF/suricata/security/advisories/GHSA-5rvq-72r5-rqhr"},{"type":"WEB","url":"https://redmine.openinfosecfoundation.org/issues/8492"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T22:16:56.250"}}