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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 2 LOW 0

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 2 Partial 0 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 2 Privilege escalation 0 Security bypass 0 Information disclosure 0 Tampering 0 Denial of service 0 Spoofing 0 Cross-site scripting 0 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 2 No user interaction 2

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Weakness (CWE) CWE-416 Use After Free 1 CWE-843 Access of Resource Using Incompatible Type 1

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Release: OISF Suricata 8.0.7 × Clear all filters

TI-2026-63304 CVE-2026-94084 · GHSA-4jpj-5857-48jp

Use after free in OISF Suricata

Priority MEDIUM 49

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 3.1CRITICAL 9.4· Network · No auth · No interaction · EPSS 0.0054 · Published 2026-09-20 · Fixed in 8.0.7 CWE-416

TI-2026-63303 CVE-2026-94083 · GHSA-4wwf-734g-mqm8

Type confusion in OISF Suricata

Priority MEDIUM 49

Suricata before 8.0.7 has a DoH2 type confusion that can cause an invalid free, because cleanup code for the HTTP2 state is executed even though the actual state is HTTP1 (when there is a DoH2 request with an HTTP1 to HT…

CVSS 3.1CRITICAL 9.4· Network · No auth · No interaction · EPSS 0.0054 · Published 2026-09-20 · Fixed in 8.0.7 CWE-843

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