{"id":"USN-4888-2","summary":"ldb vulnerabilities","details":"USN-4888-1 fixed several vulnerabilities in ldb. This update provides\nthe corresponding update for Ubuntu 14.04 ESM.\n\nOriginal advisory details:\n\n Douglas Bagnall discovered that ldb, when used with Samba, incorrectly\n handled certain LDAP attributes. A remote attacker could possibly use this\n issue to cause the LDAP server to crash, resulting in a denial of service.\n (CVE-2021-20277)\n \n Douglas Bagnall discovered that ldb, when used with Samba, incorrectly\n handled certain DN strings. A remote attacker could use this issue to\n cause the LDAP server to crash, resulting in a denial of service, or\n possibly execute arbitrary code. (CVE-2020-27840)\n","modified":"2026-02-10T04:42:07Z","published":"2021-03-25T15:32:21Z","related":["UBUNTU-CVE-2020-27840","UBUNTU-CVE-2021-20277"],"upstream":["CVE-2020-27840","CVE-2021-20277","UBUNTU-CVE-2020-27840","UBUNTU-CVE-2021-20277"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4888-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-27840"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-20277"}],"affected":[{"package":{"name":"ldb","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/ldb@1:1.1.24-0ubuntu0.14.04.2+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.1.24-0ubuntu0.14.04.2+esm1"}]}],"versions":["1:1.1.15-1.1","1:1.1.16-1","1:1.1.16-1ubuntu0.1","1:1.1.24-0ubuntu0.14.04.1","1:1.1.24-0ubuntu0.14.04.2"],"ecosystem_specific":{"binaries":[{"binary_name":"ldb-tools","binary_version":"1:1.1.24-0ubuntu0.14.04.2+esm1"},{"binary_name":"libldb-dev","binary_version":"1:1.1.24-0ubuntu0.14.04.2+esm1"},{"binary_name":"libldb1","binary_version":"1:1.1.24-0ubuntu0.14.04.2+esm1"},{"binary_name":"python-ldb","binary_version":"1:1.1.24-0ubuntu0.14.04.2+esm1"},{"binary_name":"python-ldb-dev","binary_version":"1:1.1.24-0ubuntu0.14.04.2+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4888-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2020-27840"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2021-20277"}]}}}],"schema_version":"1.7.3"}