{"action":"Upgrade firefox-esr to 140.3.0esr-1 or later.","affected":[{"fixed":"140.3.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["140.3.0esr-1"],"id":"tcs_01M5NMTNAAFJRRSB2SP898QDR9","modified_at":"2026-10-24T09:47:23.463230708Z","published_at":"2025-09-16T13:15:45.017Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-10528","https://security-tracker.debian.org/tracker/CVE-2025-10528"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-10528#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-10528"}],"summary":"Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3."}