{"action":"Upgrade thunderbird to 1:78.13.0-1 or later.","affected":[{"fixed":"1:78.13.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:78.13.0-1"],"id":"tcs_01M5NFJSGYFP7NHNVVSFRF5ZCM","modified_at":"2026-10-23T18:03:26.052201283Z","published_at":"2021-08-17T20:15:07.850Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-29984","https://security-tracker.debian.org/tracker/CVE-2021-29984"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-29984#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-29984"}],"summary":"Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploit"}