openSUSE Leap 15.0: 2018:1421-1 Moderate: GraphicsMagick Security Fix

GraphicsMagick was updated to 1.3.29:

* Security Fixes:

- GraphicsMagick is now participating in Google's oss-fuzz project

- JNG: Require that the embedded JPEG image have the same dimensions as

the JNG image as provided by JHDR. Avoids a heap write overflow.

- MNG: Arbitrarily limit the number of loops which may be requested by

the MNG LOOP chunk to 512 loops, and provide the '-define

mng:maximum-loops=value' option in case the user wants to change the

limit. This fixes a denial of service caused by large LOOP

specifications.

* Bug fixes:

- DICOM: Pre/post rescale functions are temporarily disabled (until the

implementation is fixed).

- JPEG: Fix regression in last release in which reading some JPEG files

produces the error "Improper call to JPEG library in state 201".

- ICON: Some DIB-based Windows ICON files were reported as corrupt to an

unexpectedly missing opacity mask image.

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