{"id":"MGASA-2021-0294","summary":"Updated libgcrypt packages fix a security vulnerability","details":"Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption\nbecause it lacks exponent blinding to address a side-channel attack against\nmpi_powm, and the window size is not chosen appropriately (CVE-2021-33560).\n","modified":"2026-04-16T00:10:44.741183858Z","published":"2021-06-28T21:16:35Z","upstream":["CVE-2021-33560"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2021-0294.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=29162"},{"type":"WEB","url":"https://lists.suse.com/pipermail/sle-security-updates/2021-June/009053.html"},{"type":"WEB","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/PPALT4SBPXXPFJVTZN5FQCXMNVH4GXCU/"}],"affected":[{"package":{"name":"libgcrypt","ecosystem":"Mageia:7","purl":"pkg:rpm/mageia/libgcrypt?arch=source&distro=mageia-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.5-1.1.mga7"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2021-0294.json"}},{"package":{"name":"libgcrypt","ecosystem":"Mageia:8","purl":"pkg:rpm/mageia/libgcrypt?arch=source&distro=mageia-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.7-1.1.mga8"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2021-0294.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}