{"action":"Upgrade thunderbird to 1:60.6.1-1 or later.","affected":[{"fixed":"1:60.6.1-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:60.6.1-1"],"id":"tcs_01M5NEDJ497XTCFJRYDRH64GQ8","modified_at":"2026-09-21T07:03:26.758576333Z","published_at":"2019-04-26T17:29:02.477Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-9796","https://security-tracker.debian.org/tracker/CVE-2019-9796"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-9796#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-9796"}],"summary":"A use-after-free vulnerability can occur when the SMIL animation controller incorrectly registers with the refresh driver twice when only a single registration is expected. When a registration is late"}