What is GHSA-cwj4-7fp9-r4jg?

GHSA-cwj4-7fp9-r4jg is a security advisory published by GitHub Security Advisories with Medium severity. A heap-buffer-overflow flaw was found in Directory Server (389-ds-base). When a DN contains a...

Which CVE IDs does GHSA-cwj4-7fp9-r4jg cover?

GHSA-cwj4-7fp9-r4jg covers the following CVE IDs: CVE-2026-16560. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-cwj4-7fp9-r4jg?

GHSA-cwj4-7fp9-r4jg has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

GHSA-cwj4-7fp9-r4jgMediumCVSS 5.3

A heap-buffer-overflow flaw was found in Directory Server (389-ds-base). When a DN contains a...

Vendor

GitHub Security Advisories

Published

July 22, 2026

Last Modified

July 22, 2026

🔗 CVE IDs covered (1)

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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-16560
https://access.redhat.com/security/cve/CVE-2026-16560
https://bugzilla.redhat.com/show_bug.cgi?id=2506102
https://github.com/advisories/GHSA-cwj4-7fp9-r4jg