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Safari 4.0.4

Apple has released Safari 4.0.4, a maintenance and security update for Mac OS X 10.4, 10.5, 10.6, and Windows. Changes include improved JavaScript performance; improved full history searching in particularly large history folders; and enhanced stability for third-party plug-ins, Yahoo Mail, and the search field.

The update also addresses a number of security issues, including one related to a vulnerability in libxml2 which could lead to crashing when parsing maliciously crafted XML content, and another related to a vulnerability in the way Safari initiates navigation via the “Open Image in New Tab” option that could disclose local information. Also fixed are three other vulnerabilities related to how WebKit implements Cross-Origin Resource Sharing, handles FTP directory listings, and behaves when encountering an HTML 5 Media Element that points to an external resource. The update is available via Software Update or from the Apple Support Downloads page. (Free, 28 MB)

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