Use After Free Affecting xorg-server package, versions [1.15,21.1.19)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-XORGSERVER-13786934
- published31 Oct 2025
- disclosed29 Oct 2025
- creditJan-Niklas Sohn
Introduced: 29 Oct 2025
NewCVE-2025-62229 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade xorg-server to version 21.1.19 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the XPresentNotify structures creation. An attacker can achieve memory corruption, execute arbitrary code, or cause a crash by triggering improper error handling during notification creation, which leaves dangling pointers and leads to a use-after-free condition.