CVE-2026-31933

Published: Apr 2, 2026

Modified: Apr 3, 2026

PUBLISHED

CVSS v3.1

7.5

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.

Vendor	Product	Versions
OISF	suricata	affected `< 7.0.15` affected `>= 8.0.0, < 8.0.4`

Weaknesses (CWE)

CWE-407

CVSS v3.1 Details

CVSS v3.1 Vector

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

References

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

x_refsource_CONFIRM

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

x_refsource_MISC

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CVE-2026-31933

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References