CVE-2026-11790

Description

A flaw was found in 389 Directory Server. The PBKDF2-SHA256 password storage plugin does not enforce an upper bound on the iteration count extracted from stored password hashes. A privileged attacker who can modify a user's password hash can cause excessive CPU consumption during authentication, resulting in denial of service.

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Produits concernés

• Red Hat Directory Server 11
• Red Hat Directory Server 12
• Red Hat Directory Server 13
• Red Hat Enterprise Linux 10
• Red Hat Enterprise Linux 6
• Red Hat Enterprise Linux 7
• Red Hat Enterprise Linux 8
• Red Hat Enterprise Linux 9
• Redhat directory server
• Redhat 389 directory server
• Redhat enterprise linux

Scores CVSS

Faiblesses (CWE)

• CWE-400

Références

• https://access.redhat.com/security/cve/CVE-2026-11790 Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2485421 Issue TrackingVendor Advisory

Ailleurs

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