{"id":"UBUNTU-CVE-2014-8121","details":"DB_LOOKUP in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) 2.21 and earlier does not properly check if a file is open, which allows remote attackers to cause a denial of service (infinite loop) by performing a look-up on a database while iterating over it, which triggers the file pointer to be reset.","modified":"2026-04-22T09:51:37.243399Z","published":"2015-03-27T00:00:00Z","related":["USN-2985-1"],"upstream":["CVE-2014-8121"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-8121"},{"type":"REPORT","url":"https://sourceware.org/ml/libc-alpha/2015-02/msg00617.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2985-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-8121"}],"affected":[{"package":{"name":"eglibc","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/eglibc@2.19-0ubuntu6.8?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19-0ubuntu6.8"}]}],"versions":["2.17-93ubuntu4","2.18-0ubuntu1","2.18-0ubuntu2","2.18-0ubuntu4","2.18-0ubuntu5","2.18-0ubuntu6","2.18-0ubuntu7","2.19-0ubuntu2","2.19-0ubuntu3","2.19-0ubuntu4","2.19-0ubuntu5","2.19-0ubuntu6","2.19-0ubuntu6.1","2.19-0ubuntu6.3","2.19-0ubuntu6.4","2.19-0ubuntu6.5","2.19-0ubuntu6.6","2.19-0ubuntu6.7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"eglibc-source","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc-bin","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc-dev-bin","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-amd64","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-armel","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-dev-amd64","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-dev-armel","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-dev-i386","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-dev-ppc64","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-dev-x32","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-i386","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-pic","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-ppc64","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-prof","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"libc6-x32","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"multiarch-support","binary_version":"2.19-0ubuntu6.8"},{"binary_name":"nscd","binary_version":"2.19-0ubuntu6.8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-8121.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"low"}]}