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Acknowledged

LIN1024-35959 : Security Advisory - suricata - CVE-2026-71855

Created: Oct 23, 2026    Updated: Oct 27, 2026
Resolved Date: Oct 23, 2026
Found In Version: 10.24.33.2
Severity: Standard
Applicable for: Wind River Linux LTS 24
Component/s: Userspace

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.17 and 8.0.6, src/flow-hash.c can treat an IPv4 and IPv6 flow as equal without comparing the IP family when their raw address words, ports, protocol, VLAN, recursion level, live device, and hash bucket align. An IPv6 packet can therefore reuse IPv4 flow state or the reverse, causing incorrect flowbit state, detection bypass, or IP-only bypass. This issue is fixed in versions 8.0.6 and 7.0.17.
Data source: GitHub, Inc. (security-advisories@github.com)