A Use After Free vulnerability in svgdevtextspanaspathsdefs function in source/fitz/svg-device.c in Artifex Software MuPDF 1.16.0 allows remote attackers to cause a denial of service via opening of a crafted PDF file.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-21896.json"