CVE-2026-31931

Published: Apr 2, 2026Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: security-advisories@github.com (Secondary)

Description

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.

Affected (1)

Products: Oisf: Suricata

Oisf

1 product

Suricata

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Oisf Suricata	From 8.0.0 to 8.0.4

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (2)

https://github.com/OISF/suricata/security/advisories/GHSA-gr22-4784-xvw3

Source: security-advisories@github.com

Vendor Advisory

https://redmine.openinfosecfoundation.org/issues/8294

Source: security-advisories@github.com

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Timeline

No history available yet.