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.
https://bugzilla.redhat.com/show_bug.cgi?id=2485425
https://access.redhat.com/security/cve/CVE-2026-11787
Source: Mitre, NVD
Published: 2026-06-09
Updated: 2026-06-30
Base Score: 6.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P
Severity: Medium
Base Score: 6.3
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS: 0.00042