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.Referenceshttps://access.redhat.com/security/cve/CVE-2026-11787https://bugzilla.redhat.com/show_bug.cgi?id=2485425https://redhat.atlassian.net/browse/PSIRTSUPT-7600
