Loop with Unreachable Exit Condition ('Infinite Loop') Affecting emacs-nox package, versions <1:24.3-23.el7


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.39% (75th percentile)

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  • Snyk IDSNYK-CENTOS7-EMACSNOX-2162442
  • published26 Jul 2021
  • disclosed29 Mar 2018

Introduced: 29 Mar 2018

CVE-2018-9133  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Centos:7 emacs-nox to version 1:24.3-23.el7 or higher.

NVD Description

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

ImageMagick 7.0.7-26 Q16 has excessive iteration in the DecodeLabImage and EncodeLabImage functions (coders/tiff.c), which results in a hang (tens of minutes) with a tiny PoC file. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted tiff file.