CVE-2026-11787

medium

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.

References

https://redhat.atlassian.net/browse/PSIRTSUPT-7600

https://bugzilla.redhat.com/show_bug.cgi?id=2485425

https://access.redhat.com/security/cve/CVE-2026-11787

Details

Source: Mitre, NVD

Published: 2026-06-09

Updated: 2026-06-09

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:N/AC:H/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 5

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