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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-31931

Suricata tls: null dereference in tls.alpn rule keyword

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

OISF suricata

  • >= 8.0.0, < 8.0.4affected

References