{"id":"CVE-2026-63452","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-63452","summary":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, the HTTP/1 parser limits decompression…","details":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, the HTTP/1 parser limits decompression work per transaction but does not limit how many small brotli compression bombs a single flow can submit. With response-body-decompress-layer-limit enabled, repeated compressed responses make the decompression paths in rust/htp perform expensive work for every transaction, degrading packet processing and potentially causing loss of monitoring visibility or denial of service. This issue is fixed in version 8.0.6.","published":"2026-09-18T21:17:04.667","modified":"2026-09-18T21:17:04.667","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/OISF/suricata/commit/392b6aee2971a4b5e573850f5d832112509bcb5f","label":"OISF/suricata@392b6ae"},"references":[{"type":"WEB","url":"https://github.com/OISF/suricata/commit/392b6aee2971a4b5e573850f5d832112509bcb5f"},{"type":"WEB","url":"https://github.com/OISF/suricata/commit/e369bf29ee5bbd0cdf6a98dc4a3357ba43c86a88"},{"type":"WEB","url":"https://github.com/OISF/suricata/releases/tag/suricata-8.0.6"},{"type":"WEB","url":"https://github.com/OISF/suricata/security/advisories/GHSA-j9cx-w9xm-5x84"},{"type":"WEB","url":"https://redmine.openinfosecfoundation.org/issues/8694"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-18T21:17:04.667"}}