"My advice would be to contact Apple technical support - and see if they have a resolution for the problem. He couldn't confirm the Mac OS X boot issues, but advised users to postpone updating if they believe they might be affected.
Meanwhile, Graham Cluley, a senior technology consultant at Mac OS antivirus provider Sophos, reported installation errors for the newly released iOS 5 mobile OS. "If you have two or more os partition on mbp it breaks," the security expert said. He later confirmed that other users have experienced similar problems, particularly on systems with Lion/Snow dual-boot configurations. "Apple OSX Security Update makes macbook kernel panic at boot," warned security researcher Dragos Ruiu Thursday on Twitter. That's because, according to some reports, the update can result in serious issues. However, some of them only affect OS X Snow Leopard.ĭespite the benefits of the security update, users should carefully weigh whether to install it. QuickTime, a central application in Apple's ecosystem, was also updated in this release to address 11 different vulnerabilities. With this update Apple also played security catch-up with many third-party software packages that provide important functionality, such as Apache HTTPD, BIND, PHP, Tomcat, Mailmain, Python, or libpng. Two security issues were patched in the Mac OS X kernel, one in CoreStorage, two in CoreMedia, while others were in CoreProcesses, CoreFoundation, CFNetwork, and even the application firewall. Many of the flaws have the highest severity rating assigned to them and can result in arbitrary code execution through a remote attack vector. The Mac OS X Security Update 2011-006 addresses more than 70 vulnerabilities in core components, as well as third-party products bundled by default with the OS.
Apple has released a massive security update for Mac OS X along with a new version of its OS, however, according to several reports, installing the patches could render computers unbootable.
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