CVE-2026-16560

Description

A heap-buffer-overflow flaw was found in Directory Server (389-ds-base). When a DN contains a legacy-quoted value, the server won't close the heap allocation allowing another call to refer to the same memory pointer causing a denial of service or an arbitrary memory write operation.

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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

Scores CVSS

Faiblesses (CWE)

• CWE-1220

Références

• https://access.redhat.com/security/cve/CVE-2026-16560
• https://bugzilla.redhat.com/show_bug.cgi?id=2506102

Ailleurs

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