{"action":"Upgrade botan to 2.18.1-r3 or later.","affected":[{"fixed":"2.18.1-r3","introduced":"0"}],"component":"botan","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.17","exploited":false,"fixed_versions":["2.18.1-r3"],"id":"tcs_01M5NDEFY789GC78QES049P2EN","modified_at":"2026-10-23T17:17:56.211281723Z","published_at":"2021-09-06T19:15:07.630Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-40529","https://security.alpinelinux.org/vuln/CVE-2021-40529"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-40529#Alpine:v3.17/botan","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-40529"}],"summary":"The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dang"}