Fixes the following security issues:
- CVE-2019-9956: In ImageMagick 7.0.8-35 Q16, there is a stack-based buffer
overflow in the function PopHexPixel of coders/ps.c, which allows an
attacker to cause a denial of service or code execution via a crafted
image file.
- CVE-2019-10650: In ImageMagick 7.0.8-36 Q16, there is a heap-based buffer
over-read in the function WriteTIFFImage of coders/tiff.c, which allows an
attacker to cause a denial of service or information disclosure via a
crafted image file.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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