{"id":"UBUNTU-CVE-2016-6252","details":"Integer overflow in shadow 4.2.1 allows local users to gain privileges via crafted input to newuidmap.","modified":"2026-02-04T03:04:18.418660Z","published":"2017-02-17T00:00:00Z","related":["USN-3276-1"],"upstream":["CVE-2016-6252"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-6252"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3276-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-6252"}],"affected":[{"package":{"name":"shadow","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/shadow@1:4.1.5.1-1ubuntu9.4?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1.5.1-1ubuntu9.4"}]}],"versions":["1:4.1.5.1-1ubuntu6","1:4.1.5.1-1ubuntu7","1:4.1.5.1-1ubuntu8","1:4.1.5.1-1ubuntu9","1:4.1.5.1-1ubuntu9.1","1:4.1.5.1-1ubuntu9.2"],"ecosystem_specific":{"binaries":[{"binary_name":"login","binary_version":"1:4.1.5.1-1ubuntu9.4"},{"binary_name":"passwd","binary_version":"1:4.1.5.1-1ubuntu9.4"},{"binary_name":"uidmap","binary_version":"1:4.1.5.1-1ubuntu9.4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6252.json"}},{"package":{"name":"shadow","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/shadow@1:4.2-3.1ubuntu5.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.2-3.1ubuntu5.2"}]}],"versions":["1:4.1.5.1-1.1ubuntu7","1:4.2-3.1ubuntu1","1:4.2-3.1ubuntu2","1:4.2-3.1ubuntu3","1:4.2-3.1ubuntu4","1:4.2-3.1ubuntu5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"login","binary_version":"1:4.2-3.1ubuntu5.2"},{"binary_name":"passwd","binary_version":"1:4.2-3.1ubuntu5.2"},{"binary_name":"uidmap","binary_version":"1:4.2-3.1ubuntu5.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6252.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}