CVE-2026-31931

Published: Apr 02, 2026 Last Modified: Apr 02, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the 'tls.alpn' rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4.

476

NULL Pointer Dereference

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Integrity Confidentiality
Potential Impacts:
Dos: Crash, Exit, Or Restart Execute Unauthorized Code Or Commands Read Memory Modify Memory
Applicable Platforms
Languages: C, C#, C++, Go, Java
Likelihood of Exploit: Medium
View CWE Details
https://github.com/OISF/suricata/security/advisories/GHSA-g…
https://github.com/OISF/suricata/security/advisories/GHSA-gr22-4784-xvw3
https://redmine.openinfosecfoundation.org/issues/8294
https://redmine.openinfosecfoundation.org/issues/8294