Your Mac can't be used until this update is installed.' You may get a message that reads, 'A critical software update is required for your Mac, but an error was encountered while installing this update. If you have a problem with your Mac's latest update, you will probably see errors when trying to boot up the computer. However, before you understand how to resolve the case, you must know the symptoms and causes.īelow, you will see a few of the problems and errors due to a Mac update issue. If you are looking for ways to fix the update issue in your Mac, you have come to the right place. Solutions: How Do I Update My Operating System on My Mac?.The SSL flaw allows an attacker to intercept and decrypt SSL/TLS communications, which is, as Larry Seltzer noted at ZDNet, “probably the most important security protocol there is today.”Īltogether, the OS X security update fixes multiple vulnerabilities in Apache, the most serious of which may lead to cross-site scripting, it patches issues that allow the App Sandbox to be bypassed, resolves a number of bugs related to arbitrary code execution, and addresses a problem that may lead to the disclosure of memory contents when viewing maliciously crafted JPEG files, among a slew of other bug fixes. Root certificates have been updated as well the complete list of recognized system roots may be viewed via the Keychain Access application. Perhaps most importantly, Security Update 2014-001 fixes a serious SSL bug (CVE-2014-1266) that concerns data security. Apple also released Security Update 2014-001, which addresses multiple OS X vulnerabilities, as is normal for major operating system updates. Weighing in at 859.7 MB, the Mac OS X 10.9.2 update is fairly substantial – offering fixes and improvements across the board. Security News Apple’s OS X Mavericks 10.9.2 Update Fixes SSL BugĪpple has just released OS X Mavericks 10.9.2 with fixes for an SSL bug that was patched on iOS and Apple TV last week.

Can you upgrade mac 10.7.5 to 10.9