CVE-2026-31931
Fixed in a distro release EPSS <1%CVSS 7.5
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.
Products: OISF suricata
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 14 | suricata | 1:8.0.4-1 |
| Ubuntu 16.04 LTS | suricata | no fix |
| Ubuntu 18.04 LTS | suricata | no fix |
| Ubuntu 22.04 LTS | suricata | no fix |
| Ubuntu 24.04 LTS | suricata | no fix |
| Ubuntu 25.10 | suricata | no fix |
| Ubuntu 26.04 LTS | suricata | no fix |
| Ubuntu 26.10 | suricata | no fix |
| openSUSE Tumbleweed | suricata | 8.0.4-1.1 |