CVE-2026-31931

7.5 HIGH

Published: April 02, 2026 Modified: April 07, 2026

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.

AI Explanation

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Issue Tracking Permissions Required

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.1%

19th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-476

Affected Vendors

oisf

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