| Name | 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| suricata (PTS) | bullseye | 1:6.0.1-3 | fixed |
| bullseye (security) | 1:6.0.1-3+deb11u1 | fixed | |
| bookworm | 1:6.0.10-1 | fixed | |
| trixie | 1:7.0.10-1+deb13u3 | fixed | |
| forky, sid | 1:8.0.4-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| suricata | source | bullseye | (not affected) | |||
| suricata | source | bookworm | (not affected) | |||
| suricata | source | trixie | (not affected) | |||
| suricata | source | (unstable) | 1:8.0.4-1 |
[trixie] - suricata <not-affected> (Vulnerable code not present)
[bookworm] - suricata <not-affected> (Vulnerable code not present)
[bullseye] - suricata <not-affected> (Vulnerable code not present)
https://github.com/OISF/suricata/security/advisories/GHSA-gr22-4784-xvw3
https://redmine.openinfosecfoundation.org/issues/8297
Fixed by: https://github.com/OISF/suricata/commit/632acbe74cb187a292a25945835a99a65311dd57 (suricata-8.0.4)
Introduced by: https://github.com/OISF/suricata/commit/6c1238b7bd0943054cf3eef1128ba1f02418238f (suricata-8.0.0-rc1)