{"id":"CVE-2026-63452","published":"2026-09-18T21:17:04.667","lastModified":"2026-09-23T18:12:04.247","description":"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.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-400","CWE-409"],"vendors":[],"products":[],"references":[{"url":"https://github.com/OISF/suricata/commit/392b6aee2971a4b5e573850f5d832112509bcb5f","tags":[]},{"url":"https://github.com/OISF/suricata/commit/e369bf29ee5bbd0cdf6a98dc4a3357ba43c86a88","tags":[]},{"url":"https://github.com/OISF/suricata/releases/tag/suricata-8.0.6","tags":[]},{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-j9cx-w9xm-5x84","tags":[]},{"url":"https://redmine.openinfosecfoundation.org/issues/8694","tags":[]}],"exploitRefs":[{"url":"https://github.com/OISF/suricata/commit/392b6aee2971a4b5e573850f5d832112509bcb5f","tags":[]},{"url":"https://github.com/OISF/suricata/commit/e369bf29ee5bbd0cdf6a98dc4a3357ba43c86a88","tags":[]},{"url":"https://github.com/OISF/suricata/releases/tag/suricata-8.0.6","tags":[]},{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-j9cx-w9xm-5x84","tags":[]}],"hasPoc":true,"ai":null}