CVE-2026-11787
389-ds-base: 389-ds-base: heap buffer over-read in ldap_utf8prev() via str2simple filter parsing
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
09 Jun 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A flaw was found in 389 Directory Server. The ldap_utf8prev() function reads bytes before the start of a buffer without bounds checking, causing a heap buffer over-read in string filter parsing that may influence internal filter processing behavior.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Affected products
Red Hat · Red Hat Directory Server 11Red Hat · Red Hat Directory Server 12Red Hat · Red Hat Directory Server 13Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Want to know if your infrastructure is exposed to this?
Talk to TrueHacking →