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.
History

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

Type Values Removed Values Added
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.
Title Suricata stream: quadratic complexity in stream inspection
Weaknesses CWE-407
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-02T14:03:35.917Z

Reserved: 2026-03-10T15:10:10.654Z

Link: CVE-2026-31933

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-02T14:16:28.930

Modified: 2026-04-02T14:16:28.930

Link: CVE-2026-31933

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.