Apple issues security fixes for OS X, Safari, and QuickTime for Windows

Apple issues security fixes for OS X, Safari, and QuickTime for Windows

On Tuesday, Apple released a software update which included several security fixes for OS X, Safari, and QuickTime for Windows. The update fixed 33 security vulnerabilities in OS X; 4 in Safari; and 10 in QuickTime for Windows.

Close on the heels of patching a high-priority bug in 'SSL/TLS implementation' for the iOS, Apple has now fixed the same security hole in the OS X as well. The unfixed security hole had left Apple's Mac computers potentially vulnerable to attacks, as it allowed the hackers to potentially read the users' private communications - including emails, text messages, social media posts and even online bank transactions - sent over Apple devices.

Since an error in Apple's code enabled hackers on the same network as the user to view private information, the users of Apple computers were evidently more vulnerable when they used an unsecured public network.

Most of the 33 OS X vulnerabilities patched by Apple were quite severe; with many of them giving hackers the ability to execute privileged code, seize confidential data or make modifications in files.

Meanwhile, all the 4 vulnerabilities fixed in Safari were in the Webkit browser engine, and were memory corruption vulnerabilities which allowed an attacker to execute arbitrary code by getting the user to visit a malicious website. All the 10 vulnerabilities in QuickTime for Windows potentially allowed remote code execution when a malicious movie file is played by the users.

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