Information Exposure Affecting xwayland package, versions <24.1.7-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-ALPINE323-XWAYLAND-14184846
  • published4 Dec 2025
  • disclosed17 Jun 2025

Introduced: 17 Jun 2025

CVE-2025-49177  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Alpine:3.23 xwayland to version 24.1.7-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xwayland package and not the xwayland package as distributed by Alpine. See How to fix? for Alpine:3.23 relevant fixed versions and status.

A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler does not validate the request length, allowing a client to read unintended memory from previous requests.

CVSS Base Scores

version 3.1