Samba unsafe fd_set usage

Samba 3.x before 3.3.15, 3.4.x before 3.4.12, and 3.5.x before 3.5.7 does not perform range checks for file descriptors before use of the FDSET macro, which allows remote attackers to cause a denial of service stack memory corruption, and infinite loop or daemon crash by opening a large number of...