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CVE-2026-94084 is a use-after-free vulnerability in Suricata versions earlier than 8.0.7 affecting Http2ThreadMultiBuf processing. The condition occurs when an HTTP/2 transaction is inspected by rules using the http.response_header keyword both with and without a transform. Improper lifetime management of the associated buffer can cause Suricata to access freed memory during rule inspection.
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No public exploit code observed for this vulnerability.
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A use-after-free vulnerability in Suricata's HTTP/2 Http2ThreadMultiBuf handling, triggered when a transaction is inspected by rules using http.response_header both with and without a transform.
A use-after-free vulnerability (CWE-416) in Suricata's Http2ThreadMultiBuf handling. It affects versions before 8.0.7 when HTTP/2 transactions are inspected using rules that use http.response_header both with and without a transform. The listed CVSS v3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.
A network-exploitable vulnerability affecting Debian Linux 13.0 and Debian's Suricata package. The supplied content provides no technical description of the underlying flaw.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.