CVE-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.
- Affected products
- Suricata
- Oisf Suricata
- < 8.0.4
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.4% (28th percentile)
- Weakness
- CWE-476
- NVD status
- Analyzed
- Published
- 2026-04-02
CVE-2026-31931 at NVD
No indexed exploits for CVE-2026-31931 yet
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No exploit for CVE-2026-31931 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.