CVE-2026-11787

CVE-2026-11787

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…

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11787?
CVE-2026-11787 is a medium-severity vulnerability, classified under Buffer Over-read. CVSS score: 5.0/10. Published 2026-06-09.
How severe is CVE-2026-11787?
Medium severity. CVSS v3 base score is 5.0 out of 10.