![]() The disk images are as close to “immutable containers” as it gets.Īpple’s updates contain everything, up to and including data that doesn’t strictly need to be transferred over the network, like kernel and dyld caches. This is how installers and recoveries boot. There is one thing about all this volume sealing that I don’t quite understand.Īt least for more than a decade, macOS can boot from a disk image. If that’s not the case, then this email is somewhat misleading. Which seems to infer that the same CVE is resolved by a Safari update on Catalina and Mojave and a major update on Big Sur. Safari 14.0.3 may be obtained from the Mac App Store. * After installing this update, the build number for Safari 14.0.3 is Impact: Processing maliciously crafted web content may leadĭescription: A memory corruption issue was addressed withĬVE-2021-1844: Clément Lecigne of Googleʼs Threat Analysis Group,Īlison Huffman of Microsoft Browser Vulnerability Research Information about the security content is also availableĪvailable for: macOS Catalina and macOS Mojave Safari 14.0.3* addresses the following issue. as the email I received says the following: Hi Jerry, it would seem that Apple need to review their release notes. The minor updates in AppleIntel Graphics kexts and the ImageIO framework appear unrelated and undocumented. Unfortunately for Big Sur users, in this case the changes required to address the security vulnerability have been in those immutable files protected by the SSV, making installation considerably slower and more complex. This division was originally intended to ensure that updating Safari itself in Catalina didn’t require long and complex installation. In Big Sur, Safari itself is installed on the Data volume, not the SSV, but most if not all of its supporting frameworks and other immutable files are stored on the SSV. Safari itself now shows the same version number (14.0.3) with the common build number of 16610.4.3.1.7 which it shares with its components, as noted above. Safari-related templates, with the same incremented build numbers. ![]() ![]()
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