CVE-2026-31931

NameCVE-2026-31931
DescriptionSuricata 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
suricata (PTS)bullseye1:6.0.1-3vulnerable
bullseye (security)1:6.0.1-3+deb11u1vulnerable
bookworm1:6.0.10-1vulnerable
trixie1:7.0.10-1+deb13u3vulnerable
forky, sid1:8.0.4-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
suricatasource(unstable)1:8.0.4-1

Notes

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