{"action":"Upgrade thunderbird to 1:78.10.0-1 or later.","affected":[{"fixed":"1:78.10.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:78.10.0-1"],"id":"tcs_01M5NFJK30K8KZMKEPJ4DCQF08","modified_at":"2026-10-23T18:03:12.853603793Z","published_at":"2021-06-24T14:15:09.763Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-29945","https://security-tracker.debian.org/tracker/CVE-2021-29945"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-29945#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-29945"}],"summary":"The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffecte"}