{"id":"UBUNTU-CVE-2014-3956","details":"The sm_close_on_exec function in conf.c in sendmail before 8.14.9 has arguments in the wrong order, and consequently skips setting expected FD_CLOEXEC flags, which allows local users to access unintended high-numbered file descriptors via a custom mail-delivery program.","modified":"2025-09-08T16:43:10Z","published":"2014-06-04T11:19:00Z","upstream":["CVE-2014-3956"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-3956"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2014/06/03/1"},{"type":"REPORT","url":"http://www.sendmail.com/sm/open_source/download/8.14.9/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-3956"}],"affected":[{"package":{"name":"sendmail","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/sendmail@8.14.4-4.1ubuntu1.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.14.4-4.1ubuntu1.1"}]}],"versions":["8.14.4-2.1ubuntu4","8.14.4-2.1ubuntu5","8.14.4-4.1ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"8.14.4-4.1ubuntu1.1","binary_name":"libmilter-dev"},{"binary_version":"8.14.4-4.1ubuntu1.1","binary_name":"libmilter1.0.1"},{"binary_version":"8.14.4-4.1ubuntu1.1","binary_name":"rmail"},{"binary_version":"8.14.4-4.1ubuntu1.1","binary_name":"sendmail"},{"binary_version":"8.14.4-4.1ubuntu1.1","binary_name":"sendmail-base"},{"binary_version":"8.14.4-4.1ubuntu1.1","binary_name":"sendmail-bin"},{"binary_version":"8.14.4-4.1ubuntu1.1","binary_name":"sendmail-cf"},{"binary_version":"8.14.4-4.1ubuntu1.1","binary_name":"sensible-mda"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-3956.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}