{"action":"Upgrade firefox-esr to 153.6.0esr-1~deb12u2 or later.","affected":[{"fixed":"153.6.0esr-1~deb12u2","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["153.6.0esr-1~deb12u2"],"id":"tcs_01M5ZT3X7TRJBFBRX9JJ9GBHM2","modified_at":"2026-11-05T10:00:40.060426892Z","published_at":"2026-10-27T14:16:44.787Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-117894","https://security-tracker.debian.org/tracker/CVE-2026-117894"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-117894","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-117894"}],"summary":"Incorrect boundary conditions in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6."}