Moderate Vulnerability in 389-ds-base: Remote Code Execution and Denial of Service
Summary
ALSA-2026:3208: Moderate: 389-ds-base security update. Affects 389-ds-base versions < 3.1.3-7.el10_1. Fixed in 3.1.3-7.el10_1. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
389 Directory Server is an LDAP version 3 (LDAPv3) compliant server that provides a robust platform for directory services. It includes essential components such as the LDAP server and command-line utilities for server administration. This package is widely used for managing user data and authentication in various applications. However, it has been identified to have a security vulnerability that could lead to severe consequences if not addressed promptly.
Vulnerability Detail
The vulnerability identified as CVE-2025-14905 in the 389-ds-base package is a critical issue that allows for remote code execution and denial of service due to a heap buffer overflow. This flaw can be exploited by an attacker to execute arbitrary code on the server or cause it to crash, leading to service disruption. The vulnerability arises from improper handling of memory allocation, which can be manipulated to overflow the buffer and overwrite adjacent memory.
How To Fix
Minimum fixed version
3.1.3-7.el10_1
This is the first release that contains the fix.
sudo dnf update 389-ds-baseTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If an immediate update is not feasible, consider restricting access to the 389 Directory Server to trusted networks only. Implementing firewall rules to limit exposure can help mitigate the risk until the update is applied.
Conclusion
The vulnerability in the 389-ds-base package poses significant risks, including remote code execution and denial of service. It is crucial to update to the patched version as soon as possible to mitigate these risks. Regular monitoring and updates are essential for maintaining the security of your systems.
See every vulnerability recorded for 389-ds-base →
FAQ
CVE-2025-14905 is a security vulnerability in the 389-ds-base package that allows for remote code execution and denial of service due to a heap buffer overflow.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. By utilizing the Vulert playground, you can check if your application is affected by this vulnerability without any signup.
Exploitation of this vulnerability can lead to unauthorized remote code execution, allowing attackers to take control of the server or cause it to crash, resulting in denial of service.
It is recommended to regularly check for updates and apply them promptly to ensure that your software is protected against known vulnerabilities.
If immediate updates are not possible, implement network restrictions and firewall rules to limit access to the affected services until the update can be applied.
Related vulnerabilities
Recent vulnerabilities recorded for 389-ds-base.
