Integer Overflow or Wraparound Affecting ImageMagick/ImageMagick package, versions [,6.9.10-69)[7.0.0-0,7.0.9-0)


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-UNMANAGED-IMAGEMAGICKIMAGEMAGICK-3007825
  • published26 Jan 2022
  • disclosed8 Dec 2020
  • creditUnknown

Introduced: 8 Dec 2020

CVE-2020-25666  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade ImageMagick/ImageMagick to version 6.9.10-69, 7.0.9-0 or higher.

Overview

Affected versions of this package are vulnerable to Integer Overflow or Wraparound. There are 4 places in HistogramCompare() in MagickCore/histogram.c where an integer overflow is possible during simple math calculations. This occurs in the rgb values and count value for a color. The patch uses casts to ssize_t type for these calculations, instead of int. This flaw could impact application reliability in the event that ImageMagick processes a crafted input file. This flaw affects ImageMagick versions prior to 7.0.9-0.

CVSS Scores

version 3.1