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Description

A heap buffer overflow flaw was found in 389 Directory Server. When audit logging is enabled, the create_masked_entry_string() function in auditlog.c copies a fixed-length password mask into a precisely-sized heap buffer without checking available space. If a short cleartext password is logged (requiring non-default CLEAR password storage or a compromised replication peer), the copy overflows the buffer, corrupting heap memory and audit log output.

PUBLISHED Reserved 2026-06-09 | Published 2026-06-09 | Updated 2026-06-09 | Assigner redhat




LOW: 3.3CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L

Problem types

Heap-based Buffer Overflow

Product status

Default status
unaffected

Default status
affected

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affected

Default status
affected

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unaffected

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unaffected

Default status
unaffected

Default status
affected

Timeline

2026-04-16:Reported to Red Hat.
2026-04-16:Made public.

References

access.redhat.com/errata/RHBA-2025:15534

access.redhat.com/security/cve/CVE-2026-11792 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2484915 (RHBZ#2484915) issue-tracking

redhat.atlassian.net/browse/PSIRTSUPT-7600

cve.org (CVE-2026-11792)

nvd.nist.gov (CVE-2026-11792)

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