{"action":"Upgrade thunderbird to 1:128.10.0esr-1~deb12u1 or later.","affected":[{"fixed":"1:128.10.0esr-1~deb12u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:128.10.0esr-1~deb12u1"],"id":"tcs_01M5NNBFXYW4DB75PEXRCHR3D5","modified_at":"2026-09-01T20:05:46.288520933Z","published_at":"2025-04-15T15:16:09.957Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-3523","https://security-tracker.debian.org/tracker/CVE-2025-3523"],"severity":{"label":"medium","score":6.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-3523","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-3523"}],"summary":"When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the correct li"}