| Package | Affected versions | Patched versions |
|---|---|---|
| graphicsmagick | ≤ 1.3.31 | |
| backports sle | = 15.0 |
In GraphicsMagick 1.4 snapshot-20190322 Q8, there is a heap-based buffer over-read in the ReadMNGImage function of coders/png.c, which allows attackers to cause a denial of service or information disclosure via an image colormap.
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