Use After Free Affecting xorg-server package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.27% (86th percentile)

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  • Snyk IDSNYK-UNMANAGED-XORGSERVER-3318048
  • published9 Feb 2023
  • disclosed7 Feb 2023
  • creditJan-Niklas Sohn

Introduced: 7 Feb 2023

CVE-2023-0494  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Use After Free in DeepCopyPointerClasses() in Xi/exevents.c, which can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write freed memory.

CVSS Scores

version 3.1