EUVD Vulnerability Catalog
EUVD-2026-83639
Severity: CRITICAL
Base Score: 9.4
CVSS Version: 3.1
Vulnerability 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 Analysis
Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
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Attack Vector (AV): Network
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Attack Complexity (AC): Low
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Privileges Required (PR): None
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User Interaction (UI): None
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Scope (S): Unchanged
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Confidentiality Impact (C): High
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Integrity Impact (I): High
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Availability Impact (A): Low
Affected Vendors & Systems
Vendor
OISF
References & Advisory Links
Metadata Profile
Database Authority
European Union Agency for Cybersecurity (ENISA) EUVD
Assigner
mitre
EPSS Probability
0
Known Aliases
CVE-2026-94084
GHSA-4jpj-5857-48jp
Published On
2026-09-20
Last Updated
2026-09-20