CVE-2026-31931

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CVSS 3.1

7.5 high

EPSS

<1%p28

Published

Apr 2, 2026 (Apr 2, 2026)

Modified

Jun 17, 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.

Vendors: oisf
Products: suricata
Weakness: CWE-476
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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