Safari users should install this new release, as several vulnerabilities have been patched

Apple Safari Browser – Security release
http://blogs.pcmag.com/securitywatch/2011/07/apple_patches_dozens_of_vulner.php

QUOTE: Apple has released new versions of the Safari web browser, fixing a total of 56 vulnerabilities in the Mac and Windows versions of the program. 12 of the vulnerabilities affect only the Windows version of Safari. The other 44 affect both Mac and Windows. One of those, CVE-2010-1823, dates back 10 months and was fixed by Google at the time in Chrome. (Both Safari and Chrome use the Webkit browser engine.)

Apple Safari – Details of Security release
http://lists.apple.com/archives/security-announce/2011/Jul/msg00002.html