CVE-2026-11787
5.0
MEDIUM
CVSS 3.1
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.
How to fix CVE-2026-11787
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/389-ds-base—no fix listed
Is CVE-2026-11787 being exploited?
No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2026-11787.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L |