A swarm of Safari security holes: Mac and Windows users told to update

Whether you own a Windows or Mac OS X computer, if you’re a user of Apple’s Safari browser, it’s time to update your computer against a swarm of security vulnerabilities.

With the attention of most Apple devotees diverted this week towards the sleek new iPhone 4, some may have missed that the Cupertino-based company has also issued a brand new version of its web browser, Safari.

Most interestingly to us, however, is the news that Safari 5.0 not only includes new functionality, but also plugs at least 48 different security vulnerabilities that (if left unpatched) could be exploited by hackers.

Mac OS X version 10.4 users (which Safari 5 doesn’t support) aren’t left in the lurch either. Apple has issued Safari version 4.1 for those customers, which addresses the same set of security issues.

If you dawdle over updating your computer, it’s possible that hackers could exploit the security bugs – including some that could mean that simply visiting a booby-trapped webpage could lead to…

Read more in my article on the Naked Security website.

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Graham Cluley is a veteran of the cybersecurity industry, having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent analyst, he regularly makes media appearances and is an international public speaker on the topic of cybersecurity, hackers, and online privacy. Follow him on Twitter, Mastodon, Bluesky, or drop him an email.