CVE-2026-31933

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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/OISF/suricata/security/advisories/GHSA-hvp5-gpr6-j4gp	Vendor Advisory
https://redmine.openinfosecfoundation.org/issues/8272	Issue Tracking Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:oisf:suricata::::::::
	cpe:2.3:a:oisf:suricata::::::::

History

No history.

Information

Published : 2026-04-02 14:16

Updated : 2026-06-17 10:34

NVD link : CVE-2026-31933

Mitre link : CVE-2026-31933

CVE.ORG link : CVE-2026-31933

JSON object : View

Products Affected

oisf

suricata

CWE

CWE-407

Inefficient Algorithmic Complexity

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