Bug 2454369 (CVE-2026-31931) - CVE-2026-31931 Suricata: Suricata: Denial of Service via 'tls.alpn' rule keyword
Summary: CVE-2026-31931 Suricata: Suricata: Denial of Service via 'tls.alpn' rule keyword
Keywords:
Status: NEW
Alias: CVE-2026-31931
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2454444 2454445
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-02 15:01 UTC by OSIDB Bzimport
Modified: 2026-04-02 16:38 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-04-02 15:01:13 UTC 
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.
Note You need to log in before you can comment on or make changes to this bug.