CVE-2026-16560

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...

EUVD-2026-47661

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...

CVE-2026-16560 389-ds-base: 389-ds-base: heap-buffer-overflow in rdn_av_swap on quoted multivalued rdn

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...

CVE-2026-16560

Technical details (affected product versions, root cause specifics, exploit information, or fixes) are not publicly available in the provided documents. Monitor for updates from Red Hat and the CVE feed.

CVE-2026-16560

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. Mitigation Deni...

CVE-2026-14940

A heap-buffer-overflow flaw was found in 389 Directory Server 389-ds-base. When normalizing a Distinguished Name DN that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name RDN, the server can write past the end of a heap allocation while sorting RDN...

DEBIAN-CVE-2026-14940

A heap-buffer-overflow flaw was found in 389 Directory Server 389-ds-base. When normalizing a Distinguished Name DN that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name RDN, the server can write past the end of a heap allocation while sorting RDN...

CVE-2026-14940 389-ds-base: 389-ds-base: heap-buffer-overflow in dn normalization via quoted multivalued rdn

A heap-buffer-overflow flaw was found in 389 Directory Server 389-ds-base. When normalizing a Distinguished Name DN that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name RDN, the server can write past the end of a heap allocation while sorting RDN...

CVE-2026-14940

A heap-buffer-overflow flaw was found in 389 Directory Server 389-ds-base. When normalizing a Distinguished Name DN that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name RDN, the server can write past the end of a heap allocation while sorting RDN...

CVE-2026-14940

Affected software/component: 389 Directory Server (389-ds-base). Vulnerability: heap-buffer-overflow in DN normalization when processing a legacy-quoted value encoding a multivalued nested RDN, causing writes past the end of a heap allocation. Attack scenario: an unauthenticated remote attacker c...