Suricata is a network IDS, IPS and NSM engine.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Apr 2, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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

• cpe oisf/suricataversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-31931

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-31931

  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.

  nvd.nist.gov

References

• Vendor Advisory · github.com
• Issue Tracking · redmine.openinfosecfoundation.org