Integer Overflow or Wraparound Affecting imagemagick package, versions <8:6.9.11.24+dfsg-1


Severity

Recommended
0.0
low
0
10

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Threat Intelligence

EPSS
0.09% (40th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-IMAGEMAGICK-1045750
  • published26 Nov 2020
  • disclosed3 Dec 2020

Introduced: 26 Nov 2020

CVE-2020-27764  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Debian:unstable 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:unstable relevant fixed versions and status.

In /MagickCore/statistic.c, there are several areas in ApplyEvaluateOperator() where a size_t cast should have been a ssize_t cast, which causes out-of-range values under some circumstances when a crafted input file is processed by ImageMagick. Red Hat Product Security marked this as Low severity because although it could potentially lead to an impact to application availability, no specific impact was shown in this case. This flaw affects ImageMagick versions prior to 6.9.10-69.

CVSS Scores

version 3.1