VDB

CVE-2026-31931

CVE-2026-31931 PUBLISHED CVSS 7.5 HIGH

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.

EPSS 0.35% · 28.5th percentile

Risk Scores

CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.35%
28.5th percentile

Affected Products

VendorProductVersions
OISFsuricata>= 8.0.0, < 8.0.4

Timeline

  • Mar 18, 2026 CVE Published
  • Mar 18, 2026 PoC Published
  • Mar 18, 2026 PoC Published
  • Mar 27, 2026 PoC Published
  • May 18, 2026 EPSS Score
  • May 19, 2026 EPSS Score
  • May 21, 2026 EPSS Score
  • May 22, 2026 EPSS Score
  • May 23, 2026 EPSS Score
  • May 25, 2026 EPSS Score
  • May 26, 2026 EPSS Score
  • May 27, 2026 EPSS Score
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