{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NPXWAW4ZPQBBXMJVH9AQBK","modified_at":"2026-10-23T18:05:10.078362496Z","published_at":"2026-10-13T13:17:25.360Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-109745","https://security-tracker.debian.org/tracker/CVE-2026-109745"],"severity":{"label":"critical","score":9.6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-109745#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-109745"}],"summary":"Sandbox escape due to uninitialized memory in the DOM: Web Serial component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5."}