{"id":"USN-5080-2","summary":"libgcrypt20 vulnerabilities","details":"USN-5080-1 fixed several vulnerabilities in Libgcrypt. This update provides\nthe corresponding update for Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that Libgcrypt incorrectly handled ElGamal encryption. An\n attacker could possibly use this issue to recover sensitive information.\n","modified":"2026-04-22T10:31:47.509332Z","published":"2021-09-16T16:07:21Z","related":["UBUNTU-CVE-2021-33560","UBUNTU-CVE-2021-40528"],"upstream":["CVE-2021-33560","CVE-2021-40528","UBUNTU-CVE-2021-33560","UBUNTU-CVE-2021-40528"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5080-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33560"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-40528"}],"affected":[{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20@1.6.5-2ubuntu0.6+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.5-2ubuntu0.6+esm1"}]}],"versions":["1.6.3-2ubuntu1","1.6.4-3","1.6.4-4","1.6.4-5","1.6.5-2","1.6.5-2ubuntu0.2","1.6.5-2ubuntu0.3","1.6.5-2ubuntu0.4","1.6.5-2ubuntu0.5","1.6.5-2ubuntu0.6"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1.6.5-2ubuntu0.6+esm1","binary_name":"libgcrypt20"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5080-2.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2021-33560"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2021-40528"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}}],"schema_version":"1.7.5"}