Suricata <8.0.7 Http2ThreadMultiBuf use-after-free
CVE-2026-94084 Published on September 20, 2026
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.
Vulnerability Analysis
CVE-2026-94084 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-94084 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-94084
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Affected Versions
OISF Suricata:- Before 8.0.7 is affected.