{"schema_version":"1.7.2","id":"OESA-2021-1362","modified":"2026-08-06T11:04:38Z","published":"2021-09-30T11:04:38Z","upstream":["CVE-2021-40528"],"summary":"libgcrypt security update","details":"Libgcrypt is a general purpose cryptographic library originally based on code from GnuPG.\r\n\r\nSecurity Fix(es):\r\n\r\nThe ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.(CVE-2021-40528)","affected":[{"package":{"ecosystem":"openEuler:20.03-LTS-SP1","name":"libgcrypt","purl":"pkg:rpm/openEuler/libgcrypt&distro=openEuler-20.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-4.oe1"}]}],"ecosystem_specific":{"aarch64":["libgcrypt-1.8.6-4.oe1.aarch64.rpm","libgcrypt-debuginfo-1.8.6-4.oe1.aarch64.rpm","libgcrypt-devel-1.8.6-4.oe1.aarch64.rpm","libgcrypt-debugsource-1.8.6-4.oe1.aarch64.rpm"],"noarch":["libgcrypt-help-1.8.6-4.oe1.noarch.rpm"],"src":["libgcrypt-1.8.6-4.oe1.src.rpm"],"x86_64":["libgcrypt-debugsource-1.8.6-4.oe1.x86_64.rpm","libgcrypt-debuginfo-1.8.6-4.oe1.x86_64.rpm","libgcrypt-1.8.6-4.oe1.x86_64.rpm","libgcrypt-devel-1.8.6-4.oe1.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:20.03-LTS-SP2","name":"libgcrypt","purl":"pkg:rpm/openEuler/libgcrypt&distro=openEuler-20.03-LTS-SP2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-4.oe1"}]}],"ecosystem_specific":{"aarch64":["libgcrypt-devel-1.8.6-4.oe1.aarch64.rpm","libgcrypt-1.8.6-4.oe1.aarch64.rpm","libgcrypt-debugsource-1.8.6-4.oe1.aarch64.rpm","libgcrypt-debuginfo-1.8.6-4.oe1.aarch64.rpm"],"noarch":["libgcrypt-help-1.8.6-4.oe1.noarch.rpm"],"src":["libgcrypt-1.8.6-4.oe1.src.rpm"],"x86_64":["libgcrypt-1.8.6-4.oe1.x86_64.rpm","libgcrypt-debugsource-1.8.6-4.oe1.x86_64.rpm","libgcrypt-debuginfo-1.8.6-4.oe1.x86_64.rpm","libgcrypt-devel-1.8.6-4.oe1.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1362"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40528"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"}],"database_specific":{"severity":"Medium"}}