The login program in util-linux 2.11 and earlier uses a pointer after it has been freed and reallocated, which could cause login to leak sensitive data.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15016
http://www.securityfocus.com/bid/9558
http://www.redhat.com/support/errata/RHSA-2004-056.html
http://www.kb.cert.org/vuls/id/801526
http://security.gentoo.org/glsa/glsa-200404-06.xml
http://secunia.com/advisories/10773