CVE-2026-31933

HIGH EPSS 27.0%

Published Apr 2, 20263mo ago · Modified Jun 17, 20262w ago

7.5 CVSS 3.1

High

Published Apr 2, 2026 3mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

7.5

Exploitability

3.9

Impact

3.6

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality None

Integrity None

Availability High

Threat Intelligence

EPSS Exploit Probability

27.0% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-407

Affected Products 2

Vendor	Product	Version	Range
oisf	suricata	*	<7.0.15
oisf	suricata	*	≥8.0.0 – <8.0.4

References 2

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

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

Issue TrackingPermissions Required

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.