CVE-2026-16560: 389-ds-base: heap-buffer-overflow in rdn_av_swap on quoted multivalued rdn
Red Hat · Red Hat Directory Server 11
Affected: Red Hat Directory Server 11 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 34% of scored CVEs
DescriptionCVE.org
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 products8
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Red Hat · Red Hat Directory Server 11Versions not stated
- Red Hat · Red Hat Directory Server 12Versions not stated
- Red Hat · Red Hat Directory Server 13Versions not stated
- Red Hat · Red Hat Enterprise Linux 10Versions not stated
- Red Hat · Red Hat Enterprise Linux 6Versions not stated
- Red Hat · Red Hat Enterprise Linux 7Versions not stated
- Red Hat · Red Hat Enterprise Linux 8Versions not stated
- Red Hat · Red Hat Enterprise Linux 9Versions not stated
On the Atlas
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CoverageNo articles yet
No CyberSIXT article names CVE-2026-16560 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.