Out-of-bounds Read in Red Hat Directory Server 11

CVE-2026-11786

A flaw was found in 389 Directory Server. The LDIF parser reads past the end of a heap buffer when processing attribute types with trailing semicolons during database import, causing an out-of-bounds read detectable under memory instrument…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (5.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 1.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11786?
CVE-2026-11786 is a low-severity vulnerability in Red Hat Directory Server 11, classified under Out-of-bounds Read. CVSS score: 1.9/10. Published 2026-06-09.
How severe is CVE-2026-11786?
Low severity. CVSS v3 base score is 1.9 out of 10.