{"action":"Upgrade firefox-esr to 128.12.0esr-1 or later.","affected":[{"fixed":"128.12.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["128.12.0esr-1"],"id":"tcs_01M5NP5TKC4M3C4SDF71M7CT24","modified_at":"2026-10-01T08:47:40.468403216Z","published_at":"2025-06-24T13:15:23.877Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-6429","https://security-tracker.debian.org/tracker/CVE-2025-6429"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-6429#Debian:13/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-6429"}],"summary":"Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an `embed` tag. This could have bypassed website security checks that restricte"}