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Divide By Zero Affecting imagemagick package, versions <8:6.9.11.24+dfsg-1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.07% (31st percentile)
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NVD
5.5 medium
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SUSE
7.5 high
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Red Hat
5.5 medium

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  • Snyk ID SNYK-DEBIAN11-IMAGEMAGICK-1045744
  • published 26 Nov 2020
  • disclosed 3 Dec 2020
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Introduced: 26 Nov 2020

CVE-2020-27760 Open this link in a new tab
CWE-369 Open this link in a new tab

How to fix?

Upgrade Debian:11 imagemagick to version 8:6.9.11.24+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream imagemagick package and not the imagemagick package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

In GammaImage() of /MagickCore/enhance.c, depending on the gamma value, it's possible to trigger a divide-by-zero condition when a crafted input file is processed by ImageMagick. This could lead to an impact to application availability. The patch uses the PerceptibleReciprocal() to prevent the divide-by-zero from occurring. This flaw affects ImageMagick versions prior to ImageMagick 7.0.8-68.