{"id":"UBUNTU-CVE-2020-28241","details":"libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.","modified":"2026-04-22T12:38:05.674646Z","published":"2020-11-06T05:15:00Z","related":["USN-4631-1","USN-5751-1"],"upstream":["CVE-2020-28241"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-28241"},{"type":"REPORT","url":"https://github.com/maxmind/libmaxminddb/compare/1.4.2...1.4.3"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4631-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5751-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-28241"}],"affected":[{"package":{"name":"libmaxminddb","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libmaxminddb@1.0.4-2.1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.4-2.1ubuntu0.1~esm1"}]}],"versions":["1.0.4-2","1.0.4-2.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libmaxminddb0","binary_version":"1.0.4-2.1ubuntu0.1~esm1"},{"binary_name":"mmdb-bin","binary_version":"1.0.4-2.1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28241.json"}},{"package":{"name":"libmaxminddb","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libmaxminddb@1.3.1-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.1-1","1.3.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libmaxminddb0","binary_version":"1.3.1-1"},{"binary_name":"mmdb-bin","binary_version":"1.3.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28241.json"}},{"package":{"name":"libmaxminddb","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libmaxminddb@1.4.2-0ubuntu1.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-0ubuntu1.20.04.1"}]}],"versions":["1.3.2-1","1.4.2-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.4.2-0ubuntu1.20.04.1","binary_name":"libmaxminddb0"},{"binary_name":"mmdb-bin","binary_version":"1.4.2-0ubuntu1.20.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28241.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}