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.

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Fixes

Solution

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History

Thu, 02 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 02 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
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.
Title Suricata tls: null dereference in tls.alpn rule keyword
Weaknesses CWE-476
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-02T14:18:27.902Z

Reserved: 2026-03-10T15:10:10.653Z

Link: CVE-2026-31931

cve-icon Vulnrichment

Updated: 2026-04-02T14:18:19.353Z

cve-icon NVD

Status : Received

Published: 2026-04-02T14:16:28.587

Modified: 2026-04-02T14:16:28.587

Link: CVE-2026-31931

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses