{"id":"UBUNTU-CVE-2016-5417","details":"Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.","modified":"2026-04-22T10:40:02.744932Z","published":"2017-02-16T00:00:00Z","related":["USN-3239-1"],"upstream":["CVE-2016-5417"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-5417"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/08/02/5"},{"type":"REPORT","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=19257"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3239-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-5417"}],"affected":[{"package":{"name":"glibc","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/glibc@2.23-0ubuntu6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu6"}]}],"versions":["2.21-0ubuntu4","2.21-0ubuntu5","2.21-0ubuntu6","2.23-0ubuntu1","2.23-0ubuntu2","2.23-0ubuntu3","2.23-0ubuntu4","2.23-0ubuntu5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"glibc-source","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc-bin","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc-dev-bin","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-amd64","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-armel","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-dev-amd64","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-dev-armel","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-dev-i386","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-dev-ppc64","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-dev-s390","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-dev-x32","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-i386","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-pic","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-ppc64","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-s390","binary_version":"2.23-0ubuntu6"},{"binary_name":"libc6-x32","binary_version":"2.23-0ubuntu6"},{"binary_name":"locales","binary_version":"2.23-0ubuntu6"},{"binary_version":"2.23-0ubuntu6","binary_name":"locales-all"},{"binary_name":"multiarch-support","binary_version":"2.23-0ubuntu6"},{"binary_name":"nscd","binary_version":"2.23-0ubuntu6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-5417.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}