{"id":"MGASA-2021-0468","summary":"Updated libcryptopp packages fix security vulnerability","details":"The ElGamal implementation in Crypto++ through 8.5 allows plaintext recovery\nbecause, during interaction between two cryptographic libraries, a certain\ndangerous combination of the prime defined by the receiver's public key, the\ngenerator defined by the receiver's public key, and the sender's ephemeral\nexponents can lead to a cross-configuration attack against OpenPGP.\n(CVE-2021-40530)\n","modified":"2026-04-16T04:42:33.670486216Z","published":"2021-10-06T19:41:56Z","upstream":["CVE-2021-40530"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2021-0468.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=29529"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/HGVBZ2TTRKCTYAZTRHTF6OBD4W37F5MT/"}],"affected":[{"package":{"name":"libcryptopp","ecosystem":"Mageia:8","purl":"pkg:rpm/mageia/libcryptopp?arch=source&distro=mageia-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2.0-2.1.mga8"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2021-0468.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}