CVE-2026-11787 | THREATINT

Description

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.

PUBLISHED Reserved 2026-06-09 | Published 2026-06-09 | Updated 2026-06-09 | Assigner redhat

MEDIUM: 5.0CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Problem types

Buffer Over-read

Product status

Default status

affected

Default status

affected

Default status

affected

Default status

affected

Default status

unknown

Default status

affected

Default status

affected

Default status

affected

Timeline

2026-04-16:	Reported to Red Hat.
2026-04-16:	Made public.

References

access.redhat.com/security/cve/CVE-2026-11787 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2485425 (RHBZ#2485425) issue-tracking

redhat.atlassian.net/browse/PSIRTSUPT-7600

cve.org (CVE-2026-11787)

nvd.nist.gov (CVE-2026-11787)

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