CVE-2020-25666

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.

• CWE-190

• https://bugzilla.redhat.com/show_bug.cgi?id=1891612Exploit, Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/03/msg00030.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1891612Exploit, Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/03/msg00030.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html

Published

Dec 8, 2020

Last Modified

Jun 17, 2026

Status

Modified

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