A null pointer dereference vulnerability in devices/vector/gdevtxtw.c and psi/zbfont.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16307
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
- http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f