CVE-2026-94084
9.4 CRITICALpublic exploit availablePublished 2026-09-20 · Updated 2026-09-22
AI risk analysis
- Summary
- This flaw in Suricata before 8.0.7 involves a use-after-free vulnerability in the Http2ThreadMultiBuf handling, which can lead to potential memory corruption if exploited.
- Exploitability
- Exploitation requires specific Suricata rule configurations and HTTP transactions, making it moderately difficult to exploit.
- Blast radius
- If exploited, this vulnerability could lead to denial of service or potentially arbitrary code execution, depending on the environment and mitigations in place.
- Detection
- No reliable host or network indicator is derivable from the published description.
- Prioritized remediation
- Upgrade to Suricata 8.0.7 or later.
use-after-freehttp2suricata
Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.
NVD 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Weaknesses
CWE-416
Public exploit & PoC references
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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