The gs_makewordimagedevice function in base/gsdevmem.c 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 that is mishandled in the PDF Transparency module.
The product dereferences a pointer that it expects to be valid but is NULL.
Link | Tags |
---|---|
http://www.debian.org/security/2017/dsa-3838 | vendor advisory |
https://bugs.ghostscript.com/show_bug.cgi?id=697450 | issue tracking exploit patch |
https://security.gentoo.org/glsa/201708-06 | vendor advisory |
http://www.ghostscript.com/cgi-bin/findgit.cgi?daf85701dab05f17e924a48a81edc9195b4a04e8 | issue tracking vendor advisory |