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. CREATE(Triage):(User=admin) [CVE-2020-16307|https://nvd.nist.gov/vuln/detail/CVE-2020-16307]