CVE-2026-31933

suricata: Suricata is a network IDS, IPS and NSM engine

CVE-2026-31933 is fixed in suricata on 1 platform, first by DEBIAN-CVE-2026-31933, released April 2, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0037
30th percentile

Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, specially crafted traffic can cause Suricata to slow down, affecting performance in IDS mode. This issue has been patched in versions 7.0.15 and 8.0.4.

Where it's fixed

ProductFixed inFixReleased
Linux
suricata · Debian 13.5 (trixie) 1:7.0.10-1+deb13u4 DEBIAN-CVE-2026-31933 Apr 2, 2026
suricata · Debian 14 1:8.0.4-1 DEBIAN-CVE-2026-31933 Apr 2, 2026

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