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


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.36% (72nd percentile)

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  • Snyk IDSNYK-RHEL7-EMACSNOX-8012674
  • published17 Sept 2024
  • 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 RHEL:7 emacs-nox to version 1:24.3-23.el7 or higher.
This issue was patched in RHSA-2020:1180.

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 RHEL. See How to fix? for RHEL: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.