A null pointer dereference vulnerability in compose_group_nonknockout_nonblend_isolated_allmask_common() in base/gxblend.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16293
Reference (s):
- DEBIAN:DSA-4748
- URL: https://www.debian.org/security/2020/dsa-4748
- GENTOO:GLSA-202008-20
- URL: https://security.gentoo.org/glsa/202008-20
- https://bugs.ghostscript.com/show_bug.cgi?id=701795