Six security holes fixed in Safari 4.0.3

Filed Under: Apple, Apple Safari, Data loss, Vulnerability

Apple has updated Safari to version 4.0.3, reportedly fixing some stability and compatibility issues but also, most importantly to readers of this blog, plugging a number of security holes.

And don't think you can get away with not updating if you run Safari on Windows XP or Vista, because two of the security patches only apply to the version of Apple's browser that runs on Microsoft's operating system.

It doesn't matter whether you run Safari on a Mac OS X or Windows computers, it's important that you apply these security patches detailed in a security advisory on Apple's website.

The vulnerabilities include a fix for Safari promoting malicious websites on its at-a-glance "Top Sites" view, unwanted data leakage, and an exploit that could be used by hackers to run malicious code on your computer,

Clearly it's very important that Safari users update their systems as soon as possible.

Affected users can either retrieve the update to Safari via Apple's Software Update feature, or download it directly from Apple's website.

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About the author

Graham Cluley runs his own award-winning computer security blog at, and is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s. Now an independent security analyst, he regularly makes media appearances and gives computer security presentations. Follow him on Twitter at @gcluley