{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NPXT66SC11K7QD5K40HTJE","modified_at":"2026-10-21T06:05:47.455944331Z","published_at":"2026-10-13T13:17:24.923Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-109742","https://security-tracker.debian.org/tracker/CVE-2026-109742"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-109742#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-109742"}],"summary":"Information disclosure in the PDF Viewer component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5."}