high7.5
CVE-2026-31931
Suricata is a network IDS, IPS and NSM engine.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Oisf | Suricata | from 8.0.0 before 8.0.4 |