by Kastro
Paper/Archive/CVE-2026-94084

CVE-2026-94084

OISF Suricata — Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected by rules that use http.response_header wi…

EPSS 0.5%CVSS 9.4
critical.is priorityof 100
37
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 45.4.454 × 209.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Suricata< 8.0.78.0.7CNA

Scores by source

mitre (CNA)9.4CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refforum.suricata.io/t/suricata-8-0-7-released/6467refgithub.com/OISF/suricata/commit/1d66355dc8737bb2ae7a198115b3067e3ad49808refgithub.com/OISF/suricata/compare/suricata-8.0.6...suricata-8.0.7