Integer Overflow or Wraparound Affecting xorg-server package, versions [,21.1.17)
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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- published9 Jul 2025
- disclosed17 Jun 2025
- creditNils Emmerich
Introduced: 17 Jun 2025
CVE-2025-49179 (opens in a new tab)How to fix?
Upgrade xorg-server to version 21.1.17 or higher.
Overview
Affected versions of this package are vulnerable to Integer Overflow or Wraparound in the RecordSanityCheckRegisterClients function due to improper validation of request length calculations. An attacker can cause memory corruption or potentially execute arbitrary code by sending specially crafted requests that trigger an integer overflow.