{"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_01M5ZTRKNKCBQY46BA6QYY6D91","modified_at":"2026-10-30T22:06:43.628764273Z","published_at":"2026-10-27T14:16:57.020Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-117991","https://security-tracker.debian.org/tracker/CVE-2026-117991"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-117991#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-117991"}],"summary":"Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6."}