Apple patches 83 security bugs in Safari 5.1.4
The patch count would be a record for Safari 5, which Apple released in June 2010, three several weeks before launching OS X Snow Leopard.
From the 83 vulnerabilities, Apple tacitly classified 72 as critical.
Although Apple doesn’t formally rate vulnerabilities utilizing a threat scale like Microsoft, the saying “can lead to … arbitrary code execution” in the security advisories describes the kind of bugs that attackers could theoretically use to compromise a Mac and plant adware and spyware around the machine.
No vulnerabilities happen to be utilized in actual attacks, however.
Monday’s update easily beat Safari 5’s former record of 62 patches , occur March 2011. Apple issued other large collections because of its browser this past year, together with a 58-patch upgrade in This summer and something of 43 in October.
70-two 83 flaws were patched in WebKit, outdoors-source browser engine that forces both Safari and Google’s Chrome. Apple tagged all of them as memory corruption bugs that may be triggered by simply going to a malicious site.
Over fifty percent from the WebKit vulnerabilities were as reported by Chrome’s security team or by independent researchers who submit bugs to Google’s bounty program.
Exactly the same WebKit vulnerabilities have been patched formerly by Apple, in the iOS mobile operating-system with last Wednesday’s upgrade to version 5.1, as well as in iTunes 10.6, another update a week ago.
iTunes depends on WebKit to render its online shop.
Due to Google’s persistence in rooting out vulnerabilities in WebKit, it had been no real surprise that lots of the bugs Apple patched in Safari on Monday have been addressed by Google in Chrome several weeks earlier.
Several flaws fixed in Safari 5.1.4, for example, have been patched in September, 2011 when Google upgraded its browser to version 14, as well as in a subsequent October 2011 update.
Aside from the security patches, Apple also addressed many other performance, stability and compatibility issues.
Other bug fixes addressed screen dimming as you’re watching HTML5 video, sluggish browser startup and flashing Webpages when switching between Safari home windows.
Safari obtainable from Apple’s website for Snow Leopard or Lion on the Mac, as well as for Home windows XP, Vista and Home windows 7 on the PC. Mac OS X users is going to be notified from the latest version instantly, while Home windows users already running Safari is going to be alerted through the Apple Software Update tool.