The nfs-utils-lib package contains support libraries that are needed by thecommands and daemons of the nfs-utils package.Tenable Network Security discovered a stack buffer overflow flaw in the RPClibrary used by nfs-utils-lib. A remote unauthenticated attacker who canaccess an application linked against nfs-utils-lib could trigger this flawand cause the application to crash. On Red Hat Enterprise Linux 4 it is notpossible to exploit this flaw to run arbitrary code as the overflow isblocked by FORTIFYSOURCE. (CVE-2007-3999)Users of nfs-utils-lib are advised to upgrade to this updated package,which contains a backported patch that resolves this issue.