{"action":"Upgrade thunderbird to 1:153.6.0esr-1~deb12u2 or later.","affected":[{"fixed":"1:153.6.0esr-1~deb12u2","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:153.6.0esr-1~deb12u2"],"id":"tcs_01M5ZT5Y7NR7HR33771129B7WP","modified_at":"2026-11-05T10:00:41.950278584Z","published_at":"2026-10-27T14:16:49.447Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-117938","https://security-tracker.debian.org/tracker/CVE-2026-117938"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-117938#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-117938"}],"summary":"Use-after-free in the Layout component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6."}