{"action":"Upgrade gifsicle to 1.90-1 or later.","affected":[{"fixed":"1.90-1","introduced":"0"}],"component":"gifsicle","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.90-1"],"id":"tcs_01M5NBWWDRMM6G58DB535ERJC1","modified_at":"2026-09-01T20:02:40.522981950Z","published_at":"2018-01-02T19:29:00.300Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-1000421","https://security-tracker.debian.org/tracker/CVE-2017-1000421"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-1000421#Debian:14/gifsicle","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-1000421"}],"summary":"Gifsicle gifview 1.89 and older is vulnerable to a use-after-free in the read_gif function resulting potential code execution"}