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 Post Posted: Tue Jun 22, 2010 8:24 am 
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On the heels of the latest Opera beta debuting last week, the stable version of Opera has been updated to incorporate several security fixes. Available for Windows and Mac, Opera 10.54 includes five security-related repairs, but the company has only fully disclosed the nature of one of them. In addition to the security repairs, the Mac version received multiple non-security bug fixes.

The one security fix that Opera disclosed information about concerns a hole it had rated "extremely severe." The bug was actually on Windows systems that allowed font handling to be used as an exploit vector. Microsoft issued a patch for the hole, but for users who haven't patched it yet, Opera has released their own fix that prevents the browser from being used to exploit it.

For the other four fixes, only their severity was released. There was one of each at extremely severe, highly severe, moderately severe, and less severe. Opera spokesman Thomas Ford explained that this was because of responsible disclosure practices, contingent upon agreements with each individual security researcher, and that other browser publishers may not have yet had time to patch their browsers.

Updates to the Mac version now force the browser to remove older versions before installing, which ensures a cleaner installation, and fixes multiple errors including the browser stealing window focus and premature shutdowns. The company also states that scrolling on a MacBook trackpad should be three times faster in this version.

The Windows changelog, and Mac changelog are available at the Opera Web site.

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