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Vulnerability record · CVE-2026-11786 · published 9 June 2026

CVE-2026-11786: Redhat directory server out-of-bounds read vulnerability

Redhat · Directory Server

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 instrumentation.

6.5 CVSS 3.1 Medium EPSS 0.16% · top 95.5% CWE-125 · Out-of-bounds read
6.5CVSS 3.1 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
23 Jul 2026Last modified by NVD

Description

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 instrumentation.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2026-11786 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2485426 Issue TrackingVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-11786), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.