CVE-2026-11787CWE-126

389-ds-base: 389-ds-base: heap buffer over-read in ldap_utf8prev() via str2simple filter parsing

Medium · published June 9, 2026

CVSS v3.1
5.0
EPSS
0%
Percentile
6.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.0 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00177 · 6.9th percentile
Weakness
CWE-126 · Buffer Over-read
Published
2026-06-09T13:02Z
EPSS history
Timeline
  • 09 JUN 13:02Z
    389-ds-base: 389-ds-base: heap buffer over-read in ldap_utf8prev() via str2simple filter parsing
    cvelistv5