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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

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

Configurations

No configuration.

History

22 Jul 2026, 14:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-22 14:17

Updated : 2026-07-22 19:16

NVD link : CVE-2026-16560

Mitre link : CVE-2026-16560

CVE.ORG link : CVE-2026-16560

JSON object : View

Products Affected

No product.

CWE

CWE-1220

Insufficient Granularity of Access Control

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