The pdf14_pop_transparency_group function in base/gdevp14.c in the PDF Transparency module in Artifex Software, Inc. Ghostscript 9.20 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.
The product dereferences a pointer that it expects to be valid but is NULL.
Link | Tags |
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http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=d621292fb2c8157d9899dcd83fd04dd250e30fe4 | |
https://bugs.ghostscript.com/show_bug.cgi?id=697444 | patch issue tracking exploit |