CVE-2026-45768

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, LDAP transaction state could store an unbounded number of responses. Because LDAP can be processed over UDP, crafted traffic may cause Suricata to consume excessive memory, potentially resulting in denial of service. Version 8.0.5 contains a fix. As a workaround, disable LDAP application-layer parsing where it is not required. Alternatively, use a rule like `alert ldap any any -> any any (sid: 1; ldap.responses.count: >1024; bypass;)`.

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Produits concernés

• OISF suricata

Scores CVSS

Faiblesses (CWE)

• CWE-400
• CWE-770

Références

• https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315 Release NotesVendor Advisory
• https://github.com/OISF/suricata/security/advisories/GHSA-cr4x-w4c4-57p7 Third Party Advisory
• https://redmine.openinfosecfoundation.org/issues/8405 Permissions Required

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories