Integer Overflow or Wraparound Affecting xorg-server package, versions [,21.1.19)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published31 Oct 2025
- disclosed29 Oct 2025
- creditJan-Niklas Sohn
Introduced: 29 Oct 2025
CVE-2025-62231 (opens in a new tab)How to fix?
Upgrade xorg-server to version 21.1.19 or higher.
Overview
Affected versions of this package are vulnerable to Integer Overflow or Wraparound in the XkbSetCompatMap() function. An attacker can cause memory corruption or crash the process by sending specially crafted input data that triggers overflow in an unsigned short in XkbCompatMap structure.