{"action":"Upgrade mupdf to 1.19.0+ds1-1 or later.","affected":[{"fixed":"1.19.0+ds1-1","introduced":"0"}],"component":"mupdf","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.19.0+ds1-1"],"id":"tcs_01M5NESQY6XMTZ83S3S84KH4Z1","modified_at":"2026-10-26T12:01:00.630492967Z","published_at":"2023-08-22T19:16:18.793Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-21896","https://security-tracker.debian.org/tracker/CVE-2020-21896"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-21896#Debian:13/mupdf","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-21896"}],"summary":"A Use After Free vulnerability in svg_dev_text_span_as_paths_defs 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"}