{"action":"Upgrade libcrypto++ to 8.6.0-1 or later.","affected":[{"fixed":"8.6.0-1","introduced":"0"}],"component":"libcrypto++","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["8.6.0-1"],"id":"tcs_01M5NFZ4RRTS5F56ZPCJR7XJB4","modified_at":"2026-10-23T18:03:32.999117850Z","published_at":"2021-09-06T19:15:07.673Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-40530","https://security-tracker.debian.org/tracker/CVE-2021-40530"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-40530#Debian:13/libcrypto++","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-40530"}],"summary":"The ElGamal implementation in Crypto++ through 8.5 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by th"}