Out-of-bounds Write Affecting xterm package, versions <0:295-3.el7_9.1


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
3.97% (93rd percentile)

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  • Snyk IDSNYK-CENTOS7-XTERM-2180780
  • published26 Jul 2021
  • disclosed10 Feb 2021

Introduced: 10 Feb 2021

CVE-2021-27135  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Centos:7 xterm to version 0:295-3.el7_9.1 or higher.

NVD Description

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

xterm before Patch #366 allows remote attackers to execute arbitrary code or cause a denial of service (segmentation fault) via a crafted UTF-8 combining character sequence.

CVSS Base Scores

version 3.1