CVE-2026-31934

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a performance impact. This issue has been patched in version 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-hr89-h2pp-f3c8	Vendor Advisory
https://redmine.openinfosecfoundation.org/issues/8292	Issue Tracking Permissions Required

Configurations

Configuration 1 (hide)

cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Suricata es un motor de red IDS, IPS y NSM. Desde la versión 8.0.0 hasta antes de la versión 8.0.4, existe un problema de complejidad cuadrática al buscar URLs en mensajes codificados en MIME a través de SMTP, lo que lleva a un impacto en el rendimiento. Este problema ha sido parcheado en la versión 8.0.4.

Information

Published : 2026-04-02 15:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-31934

Mitre link : CVE-2026-31934

CVE.ORG link : CVE-2026-31934

JSON object : View

Products Affected

oisf

suricata

CWE

CWE-407

Inefficient Algorithmic Complexity

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