{"action":"Upgrade firefox-esr to 78.12.0esr-1 or later.","affected":[{"fixed":"78.12.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["78.12.0esr-1"],"id":"tcs_01M5NFJQVRHS3ASB8DBY2N6XE9","modified_at":"2026-10-23T18:03:26.069349635Z","published_at":"2021-08-05T20:15:08.773Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-29976","https://security-tracker.debian.org/tracker/CVE-2021-29976"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-29976","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-29976"}],"summary":"Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. Some of these bugs showed evidence of memory corruption and we presume that with enough effort so"}