In ImageMagick 7.0.8-68 there are 2 outside the range of representable values of type 'long' and 5 integer overflow at MagickCore/pixel.c,cache.c.
In CatromWeights(), MeshInterpolate(), InterpolatePixelChannel(), InterpolatePixelChannels(), and InterpolatePixelInfo(), which are all functions in /MagickCore/pixel.c, there were multiple unconstrained pixel offset calculations which were being used with the floor() function. These calculations produced undefined behavior in the form of out-of-range and integer overflows, as identified by UndefinedBehaviorSanitizer.
These instances of undefined behavior could be triggered by an attacker who is able to supply a crafted input file to be processed by ImageMagick. These issues could impact application availability or potentially cause other problems related to undefined behavior.
Name: Suhwan Song (Seoul National University)
This flaw is out of support scope for Red Hat Enterprise Linux 5, 6, and 7. Inkscape is not affected because it no longer uses a bundled ImageMagick in Red Hat Enterprise Linux 8. For more information regarding support scopes, please see https://access.redhat.com/support/policy/updates/errata .
Created ImageMagick tracking bugs for this issue:
Affects: epel-8 [bug 1901239]
Affects: fedora-all [bug 1901240]
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):