What’s Vulnerable › Vulnerabilities

CVE-2026-94084

• Severity: critical (CVSS 9.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-20 · updated 2026-09-28
• Weakness: CWE-416

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.

Affected products

• OISF suricata: before 8.0.7 — fixed in 8.0.7

How to fix

Upgrade to a fixed version: OISF suricata 8.0.7. Check the vendor advisory for mitigations.

References

• https://forum.suricata.io/t/suricata-8-0-7-released/6467
• https://github.com/OISF/suricata/commit/1d66355dc8737bb2ae7a198115b3067e3ad49808
• https://github.com/OISF/suricata/compare/suricata-8.0.6...suricata-8.0.7

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