Integer Underflow Affecting xorg-server package, versions <2:1.14.2.901-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
2.88% (85th percentile)

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  • Snyk IDSNYK-ECHOLATEST-XORGSERVER-18751834
  • published13 Aug 2026
  • disclosed18 Jan 2014

Introduced: 18 Jan 2014

CVE-2013-6424  (opens in a new tab)
CWE-191  (opens in a new tab)

How to fix?

Upgrade Echo:latest xorg-server to version 2:1.14.2.901-1 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.

Integer underflow in the xTrapezoidValid macro in render/picture.h in X.Org allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.

CVSS Base Scores

version 3.1