{"action":"Upgrade librewolf to 95.0-r0 or later.","affected":[{"fixed":"95.0-r0","introduced":"0"}],"component":"librewolf","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.24","exploited":false,"fixed_versions":["95.0-r0"],"id":"tcs_01M6GWBF6KAHC6PPKYHCJHW4SC","modified_at":"2026-11-03T06:32:41.508983941Z","published_at":"2021-12-08T22:15:09.620Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-43537","https://security.alpinelinux.org/vuln/CVE-2021-43537"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-43537#Alpine:v3.24/librewolf","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-43537"}],"summary":"An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Fi"}