[Pkg-gmagick-im-team] Bug#972797: imagemagick: CVE-2020-27560: Division by Zero in function OptimizeLayerFrames

[Salvatore Bonaccorso]

Source: imagemagick
Version: 8:6.9.11.24+dfsg-1
Severity: important
Tags: security upstream
Forwarded: https://github.com/ImageMagick/ImageMagick/pull/2743
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>
Control: found -1 8:6.9.10.23+dfsg-2.1+deb10u1
Control: found -1 8:6.9.10.23+dfsg-2.1

Hi,

The following vulnerability was published for imagemagick.

CVE-2020-27560[0]:
| ImageMagick 7.0.10-34 allows Division by Zero in OptimizeLayerFrames
| in MagickCore/layer.c, which may cause a denial of service.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2020-27560
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27560
[1] https://github.com/ImageMagick/ImageMagick/pull/2743
[2] https://github.com/ImageMagick/ImageMagick6/commit/6e3b13c7ef94d72b40fba91987897c4326717a46

Regards,
Salvatore