# CVE-2026-16560

## Summary

- **CVE ID:** CVE-2026-16560
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
- **CWE:** CWE-1220
- **Published:** Jul 22, 2026
- **Last Modified:** Jul 24, 2026

## 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.

## Affected Products

No affected products listed.

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.40%
- **EPSS Percentile:** 33.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._