Insufficient Granularity of Access Control Affecting 389ds/389-ds-base package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-389DS389DSBASE-18306294
- published25 Jul 2026
- disclosed22 Jul 2026
- creditUnknown
Introduced: 22 Jul 2026
CVE-2026-16560 (opens in a new tab)How to fix?
There is no fixed version for 389ds/389-ds-base.
Overview
Affected versions of this package are vulnerable to Insufficient Granularity of Access Control via the rdn_av_swap function when processing distinguished names containing legacy-quoted values. An attacker can cause a denial of service or potentially perform arbitrary memory write operations by sending specially crafted malformed DN requests. This is only exploitable if heap debugging is enabled (such as AddressSanitizer or MALLOC_CHECK_=3), or depending on heap layout and subsequent memory allocator activity.