{"id":"CVE-2026-94083","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-94083","summary":"Suricata before 8.0.7 has a DoH2 type confusion that can cause an invalid free, because cleanup code for the HTTP2 state is executed even though the actual state is HTTP1 (when there…","details":"Suricata before 8.0.7 has a DoH2 type confusion that can cause an invalid free, because cleanup code for the HTTP2 state is executed even though the actual state is HTTP1 (when there is a DoH2 request with an HTTP1 to HTTP2 upgrade). This requires app-layer.protocols.doh2 to be enabled, which is the default in 8.x versions.","published":"2026-09-20T02:16:53.520","modified":"2026-09-20T02:16:53.520","cvss":{"score":9.4,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/OISF/suricata/commit/e574009add9c208f319e1d9d15b3bb1229c88074","label":"OISF/suricata@e574009"},"references":[{"type":"WEB","url":"https://forum.suricata.io/t/suricata-8-0-7-released/6467"},{"type":"WEB","url":"https://github.com/OISF/suricata/commit/e574009add9c208f319e1d9d15b3bb1229c88074"},{"type":"WEB","url":"https://github.com/OISF/suricata/compare/suricata-8.0.6...suricata-8.0.7"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-20T02:16:53.520"}}