{"action":"Upgrade optipng to 0.6.2.1-1 or later.","affected":[{"fixed":"0.6.2.1-1","introduced":"0"}],"component":"optipng","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["0.6.2.1-1"],"id":"tcs_01M5N985KXDZ9TZSPHSYC6HVGK","modified_at":"2026-10-23T18:01:53.825040172Z","published_at":"2009-03-02T20:30:00.217Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2009-0749","https://security-tracker.debian.org/tracker/CVE-2009-0749"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2009-0749#Debian:13/optipng","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2009-0749"}],"summary":"Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (applicatio"}