Heap Buffer Overflow Vulnerability in 389-ds-base Server by Red Hat
CVE-2025-14905

7.2HIGH

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 9
Red Hat Directory Server 13.1
Red Hat Directory Server 11
Vendor
CVE Published:
23 February 2026

What is CVE-2025-14905?

A vulnerability exists in the 389-ds-base server due to improper calculation of buffer sizes in the schema_attr_enum_callback function. This flaw can lead to a heap overflow when processing numerous aliases, potentially enabling a remote attacker to interrupt service operations or execute arbitrary code remotely. Addressing this vulnerability is critical to maintain system integrity and availability.

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Affected Version(s)

Red Hat Directory Server 13.1 sha256:5e49efa2b8764403fad13b81c968b76c7b6400fabd83bf95e2f7667b90e93ab5

Red Hat Enterprise Linux 10 0:3.1.3-7.el10_1

Red Hat Enterprise Linux 9 0:2.7.0-10.el9_7

References

https://access.redhat.com/errata/RHSA-2026:3189
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3208
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3379
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was discovered by Red Hat Security Research Team (Red Hat Inc.).
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