CVE-2026-31931

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.

CVSS Vector

References

• https://github.com/OISF/suricata/security/advisories/GHSA-gr22-4784-xvw3
• https://redmine.openinfosecfoundation.org/issues/8294