{"action":"Upgrade firefox-esr to 140.14.0esr-2 or later.","affected":[{"fixed":"140.14.0esr-2","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["140.14.0esr-2"],"id":"tcs_01M5NVBHZDPAPR75Y0CZDPZF0B","modified_at":"2026-10-01T03:03:49.926785193Z","published_at":"2026-08-18T13:17:31.277Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-74946","https://security-tracker.debian.org/tracker/CVE-2026-74946"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-74946#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-74946"}],"summary":"Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1"}