{"id":"USN-4236-2","summary":"libgcrypt20 vulnerability","details":"USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the\ncorresponding fix for Ubuntu 16.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that Libgcrypt was susceptible to a ECDSA timing attack.\n An attacker could possibly use this attack to recover sensitive\n information.\n","modified":"2026-04-22T10:07:38.448761Z","published":"2020-01-14T13:00:37Z","related":["UBUNTU-CVE-2019-13627"],"upstream":["CVE-2019-13627","UBUNTU-CVE-2019-13627"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4236-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-13627"}],"affected":[{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20@1.6.5-2ubuntu0.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.5-2ubuntu0.6"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libgcrypt20","binary_version":"1.6.5-2ubuntu0.6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4236-2.json","cves_map":{"cves":[{"id":"CVE-2019-13627","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:16.04:LTS"}}}],"schema_version":"1.7.5"}