{"id":"CVE-2026-94084","aliases":["DEBIAN-CVE-2026-94084","EUVD-2026-83639","GHSA-4jpj-5857-48jp","MGASA-2026-0579","UBUNTU-CVE-2026-94084"],"status":"published","title":"Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected...","description":"Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected by rules that use http.response_header with and without a transform.","severity":{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0054,"percentile":0.45883,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2026-09-20T01:20:20Z","modified":"2026-11-07T04:45:03Z","fixes":[{"ecosystem":"Debian:14","package":"suricata","fixed_in":["1:8.0.7-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.10-1","1:7.0.10-1+deb13u1","1:7.0.10-1+deb13u2","1:7.0.10-1+deb13u3","1:7.0.10-1+deb13u4","1:7.0.11-1","1:7.0.11-1~bpo13+1","1:8.0.0-1~exp1","1:8.0.0-1~exp2","1:8.0.0-1~exp4","1:8.0.0-1~exp5","1:8.0.1-1","1:8.0.1-2","1:8.0.1-3","1:8.0.1-3~bpo13+1","1:8.0.2-1","1:8.0.2-1~bpo13+1","1:8.0.3-1","1:8.0.3-1~bpo13+1","1:8.0.3-2~exp1","1:8.0.4-1","1:8.0.4-1~bpo13+1","1:8.0.5-1","1:8.0.5-1~bpo13+1","1:8.0.6-1","1:8.0.6-1~bpo13+1","1:8.0.7-1","1:8.0.7-1~bpo13+1","1:8.0.7-2~exp1"]},{"source":"osv","ecosystem":"Debian:14","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.0.7-1"}]}],"versions":["1:7.0.10-1","1:7.0.11-1","1:7.0.11-1~bpo13+1","1:8.0.0-1~exp1","1:8.0.0-1~exp2","1:8.0.0-1~exp4","1:8.0.0-1~exp5","1:8.0.1-1","1:8.0.1-2","1:8.0.1-3","1:8.0.1-3~bpo13+1","1:8.0.2-1","1:8.0.2-1~bpo13+1","1:8.0.3-1","1:8.0.3-1~bpo13+1","1:8.0.3-2~exp1","1:8.0.4-1","1:8.0.4-1~bpo13+1","1:8.0.5-1","1:8.0.5-1~bpo13+1","1:8.0.6-1","1:8.0.6-1~bpo13+1","1:8.0.7-1~bpo13+1"]},{"source":"osv","ecosystem":"Mageia:10","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.8-1.mga10"}]}],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.8-1build1","2.0.9-1","2.0.10-1","2.0.10-2","2.0.11-1","3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2-2ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:6.0.4-2","1:6.0.4-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.0-2","1:7.0.2-1","1:7.0.2-1build1","1:7.0.3-1build1","1:7.0.3-1build3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:8.0.3-1","1:8.0.5-1","1:8.0.6-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.10-1","1:8.0.1-3build1","1:8.0.2-1","1:8.0.2-1build1","1:8.0.3-1"]}],"products":[{"vendor":"oisf","product":"suricata"}],"references":[{"url":"https://forum.suricata.io/t/suricata-8-0-7-released/6467","tags":["Release 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Notes","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94084","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4jpj-5857-48jp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94084.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-94084","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2026-0579.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=35986","tags":["report"]},{"url":"https://suricata.io/our-story/eol-policy/","tags":["web"]},{"url":"https://forum.suricata.io/t/suricata-8-0-8-released/6548","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2026-94084","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-94084","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-94084","description":"Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected by rules that use 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when a transaction is inspected by rules that use http.response_header with and without a transform.","status":"published","published":"2026-09-20T02:16:00Z","modified":"2026-10-17T13:01:18.939297063Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical"}],"updated_at":"2026-11-02T16:57:44.071534Z"},{"id":"MGASA-2026-0579","title":"Updated suricata package fixes security vulnerabilities","description":"This new suricata version fixes several security vulnerabilities,\n","status":"published","published":"2026-11-07T04:34:18Z","modified":"2026-11-07T04:45:03.362463753Z","updated_at":"2026-11-07T05:09:09.270904Z"}]}}