CHANGES IN CUPS V1.7.4
+ - Security: The web interface incorrectly served symlinked files and
+ files that were not world-readable, potentially leading to a
+ disclosure of information (STR #4450)
- The CUPS headers incorrectly needed libdispatch for blocks support
(STR #4397)
- CUPS did not compile when Avahi or mDNSResponder was not present