CVE-2025-14905 | 389-ds-base: 389-ds-base: remote code execution and denial of service via heap buffer overflow

A flaw was found in the 389-ds-base server. A heap buffer overflow vulnerability exists in the `schema_attr_enum_callback` function within the `schema.c` file. This occurs because the code incorrectly calculates the buffer size by summing alias string lengths without accounting for additional formatting characters. When a large number of aliases are processed, this oversight can lead to a heap overflow, potentially allowing a remote attacker to cause a Denial of Service (DoS) or achieve Remote Code Execution (RCE).

Published: 2026-02-23 Last update: 2026-04-15 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-14905 is rated Moderate Risk (47.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.32%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-14905

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-22 0.40% 0.32% -0.09%
2 2026-05-02 0.54% 0.40% -0.14%
3 2026-03-24 0.54%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-14905

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
1.2 5.9 [email protected]

Weakness enumeration for CVE-2025-14905

OS Trackers for CVE-2025-14905

vendor priority summary link
debian not yet assigned CVE-2025-14905 not yet assigned priority: Debian including 1 source packages (389-ds-base), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): open 2, resolved 2. https://security-tracker.debian.org/tracker/CVE-2025-14905
redhat medium https://access.redhat.com/security/cve/CVE-2025-14905
suse high https://www.suse.com/security/cve/CVE-2025-14905/
ubuntu medium CVE-2025-14905 medium priority: Ubuntu including 1 source packages (389-ds-base), 7 status rows across 7 suites (bionic, focal, jammy, noble, questing, upstream, xenial): needs-triage 7. https://ubuntu.com/security/CVE-2025-14905

Affected software / configurations for CVE-2025-14905

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-14905

URL Tags
https://access.redhat.com/errata/RHSA-2026:3189
https://access.redhat.com/errata/RHSA-2026:3208
https://access.redhat.com/errata/RHSA-2026:3379
https://access.redhat.com/errata/RHSA-2026:3504
https://access.redhat.com/errata/RHSA-2026:4207
https://access.redhat.com/errata/RHSA-2026:4661
https://access.redhat.com/errata/RHSA-2026:4720
https://access.redhat.com/errata/RHSA-2026:5196
https://access.redhat.com/errata/RHSA-2026:5511
https://access.redhat.com/errata/RHSA-2026:5512
https://access.redhat.com/errata/RHSA-2026:5513
https://access.redhat.com/errata/RHSA-2026:5514
https://access.redhat.com/errata/RHSA-2026:5568
https://access.redhat.com/errata/RHSA-2026:5569
https://access.redhat.com/errata/RHSA-2026:5576
https://access.redhat.com/errata/RHSA-2026:5597
https://access.redhat.com/errata/RHSA-2026:5598
https://access.redhat.com/errata/RHSA-2026:6220
https://access.redhat.com/errata/RHSA-2026:6268
https://access.redhat.com/security/cve/CVE-2025-14905
https://bugzilla.redhat.com/show_bug.cgi?id=2423624
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