CVSS 3.1 Score 4.4 of 10 (medium)


Published Feb 23, 2024
CWE ID 127


CVE-2024-25629 is a vulnerability in the c-ares C library for asynchronous DNS requests. If using a c-ares version prior to 1.27.0, certain configuration files, such as `/etc/resolv.conf`, `/etc/nsswitch.conf`, and `/etc/hosts`, can trigger a crash if they have an embedded NULL character as the first character in a new line. This vulnerability can lead to reading memory prior to the start of the given buffer. The issue has been fixed in c-ares 1.27.0, and there are no known workarounds. The vulnerability has a base severity of MEDIUM with high privileges required and no user interaction needed. It has a CVSSv3 score of 4.4 and may pose a potential danger to organizations, especially if an attacker can exploit it locally, as it can result in availability impact and crashing of affected systems.

Prevent cyber attacks with Recorded Future by prioritizing and patching critical vulnerabilities being exploited by threat actors targeting your industry. Book your demo to learn more.


Prioritize, Pinpoint, and Act to Prevent Vulnerability Exploits with Recorded Future

Note: This is just a basic overview providing quick insights into CVE-2024-25629 information. Gain full access to comprehensive CVE data, third party vulnerabilities, compromised credentials and more with Recorded Future
  • Gain complete coverage of your cyber, third party, and physical attack surface
  • Proactively mitigate threats before they turn into costly attacks
  • Make fast, effective, data-driven decisions