High severity7.5NVD Advisory· Published Apr 2, 2026· Updated Apr 7, 2026

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.

Affected products

Oisf/Suricata
cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*
Range: >=8.0.0,<8.0.4

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/OISF/suricata/security/advisories/GHSA-gr22-4784-xvw3nvdVendor Advisory
redmine.openinfosecfoundation.org/issues/8294nvdIssue TrackingPermissions Required

News mentions

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