CVE-2026-94083

NameCVE-2026-94083
DescriptionSuricata before 8.0.7 has a DoH2 type confusion that can cause an invalid free, because cleanup code for the HTTP2 state is executed even though the actual state is HTTP1 (when there is a DoH2 request with an HTTP1 to HTTP2 upgrade). This requires app-layer.protocols.doh2 to be enabled, which is the default in 8.x versions.
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)trixie1:7.0.10-1+deb13u4vulnerable
forky, sid1:8.0.7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
suricatasource(unstable)1:8.0.7-1

Notes

Fixed by: https://github.com/OISF/suricata/commit/e574009add9c208f319e1d9d15b3bb1229c88074 (suricata-8.0.7)

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