{"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_01M5NPX636SE9A1JMJ2PT9AXFP","modified_at":"2026-10-21T06:03:28.452786143Z","published_at":"2026-10-13T13:17:22.800Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-109723","https://security-tracker.debian.org/tracker/CVE-2026-109723"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-109723#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-109723"}],"summary":"Integer overflow in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5."}