Access Restriction Bypass Affecting xorg-server package, versions <2:1.6.1.901-3


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.46% (36th percentile)

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  • Snyk IDSNYK-ECHOLATEST-XORGSERVER-18751825
  • published13 Aug 2026
  • disclosed6 May 2009

Introduced: 6 May 2009

CVE-2009-1573  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Echo:latest xorg-server to version 2:1.6.1.901-3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-server package and not the xorg-server package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

xvfb-run 1.6.1 in Debian GNU/Linux, Ubuntu, Fedora 10, and possibly other operating systems place the magic cookie (MCOOKIE) on the command line, which allows local users to gain privileges by listing the process and its arguments.

CVSS Base Scores

version 3.1