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Improper Input Validation Affecting xorg-x11-server-common package, versions <0:1.20.4-7.el7

Severity

 Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
1% (85th percentile)

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  • Snyk IDSNYK-CENTOS7-XORGX11SERVERCOMMON-2140450
  • published26 Jul 2021
  • disclosed21 Aug 2018
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Introduced: 21 Aug 2018

CVE-2018-14598  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Centos:7 xorg-x11-server-common to version 0:1.20.4-7.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-common package and not the xorg-x11-server-common package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).

References