{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5NQ01FPCRK8WNV57Q3YB6SW","modified_at":"2026-10-14T15:00:13.028812610Z","published_at":"2026-10-13T19:18:49.493Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-110247","https://security-tracker.debian.org/tracker/CVE-2026-110247"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-110247#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-110247"}],"summary":"Several buffer-growth sites in libmime performed size arithmetic in 32-bit types without overflow checks. On a sufficiently large message the growth guard could fail open, or the buffer could be reall"}