Six security holes fixed in Safari 4.0.3

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,

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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.

Graham Cluley is an award-winning keynote speaker who has given presentations around the world about cybersecurity, hackers, and online privacy. A veteran of the computer security industry since the early 1990s, he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows, makes regular media appearances, and is the co-host of the popular "Smashing Security" podcast. Follow him on Twitter, Mastodon, Threads, Bluesky, or drop him an email.

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