CVE-2026-31933

high

Description

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.

References

https://redmine.openinfosecfoundation.org/issues/8272

https://github.com/OISF/suricata/security/advisories/GHSA-hvp5-gpr6-j4gp

Details

Source: Mitre, NVD

Published: 2026-04-02

Updated: 2026-04-02

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High