Upstream information

CVE-2026-31931 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (GitHub)
Base Score 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1261489 [RESOLVED / INVALID]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • libsuricata8_0_4 >= 8.0.4-1.1
  • suricata >= 8.0.4-1.1
  • suricata-devel >= 8.0.4-1.1
 Patchnames:
openSUSE-Tumbleweed-2026-10443

SUSE Timeline for this CVE

CVE page created: Sat Mar 28 01:54:39 2026
CVE page last modified: Thu Apr 16 20:52:00 2026