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Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.3%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-31931
  • Oisf » Suricata » Version: 8.0.0
    cpe:2.3:a:oisf:suricata:8.0.0
  • Oisf » Suricata » Version: 8.0.1
    cpe:2.3:a:oisf:suricata:8.0.1
  • Oisf » Suricata » Version: 8.0.2
    cpe:2.3:a:oisf:suricata:8.0.2


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