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Divide By Zero Affecting imagemagick package, versions <8:6.9.7.4+dfsg-11+deb9u13

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.19% (56th percentile)
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NVD
7.5 high
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Red Hat
5.3 medium
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SUSE
5.3 medium

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  • Snyk ID SNYK-DEBIAN9-IMAGEMAGICK-1244103
  • published 8 Apr 2021
  • disclosed 11 May 2021
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Introduced: 8 Apr 2021

CVE-2021-20309 Open this link in a new tab
CWE-369 Open this link in a new tab

How to fix?

Upgrade Debian:9 imagemagick to version 8:6.9.7.4+dfsg-11+deb9u13 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:9 relevant fixed versions and status.

A flaw was found in ImageMagick in versions before 7.0.11 and before 6.9.12, where a division by zero in WaveImage() of MagickCore/visual-effects.c may trigger undefined behavior via a crafted image file submitted to an application using ImageMagick. The highest threat from this vulnerability is to system availability.