[Pkg-gmagick-im-team] Bug#832457: Out-of-bounds read in coders/psd.c:797 ReadPSDChannelPixels

[Bastien ROUCARIES]

Package: imagemagick
Version: 8:6.7.7.10-5
Severity: grave
Tags: patch security
X-Debbugs-CC: secure-testing-team at lists.alioth.debian.org


Split of 823750

 Added check for bit depth 1 for PSD file

 This is a partial fix of out-of-bounds read in coders/psd.c:797
ReadPSDChannelPixels

 It fix psd file handling for corrupted file.

Origin: upstream,
https://github.com/ImageMagick/ImageMagick/commit/198fffab4daf8aea88badd9c629350e5b26ec32f
Bug-ubuntu: https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1533442
Bug: https://github.com/ImageMagick/ImageMagick/issues/83