CVE-2026-16560

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

5.3 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L                                    

Vulnerability 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.

Vulnerability Details

Published Date

July 22, 2026

Last Modified

July 22, 2026

CWE ID

CWE-1220

Source

NVD

Vendor

Red Hat

Product

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

External References

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

CVE-2026-16560

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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