{"id":33214,"date":"2021-07-26T14:49:54","date_gmt":"2021-07-26T18:49:54","guid":{"rendered":"https:\/\/mjtsai.com\/blog\/?p=33214"},"modified":"2022-11-10T12:25:08","modified_gmt":"2022-11-10T17:25:08","slug":"macos-11-5-1","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2021\/07\/26\/macos-11-5-1\/","title":{"rendered":"macOS 11.5.1"},"content":{"rendered":"<p><a href=\"https:\/\/www.macrumors.com\/2021\/07\/26\/apple-releases-macos-big-sur-11-5-1\/\">Juli Clover<\/a>:<\/p>\n<blockquote cite=\"https:\/\/www.macrumors.com\/2021\/07\/26\/apple-releases-macos-big-sur-11-5-1\/\">\n<p>According to Apple,  macOS Big Sur  11.5.1 brings important security updates and is recommended for all users.<\/p>\n<\/blockquote>\n\n<p><a href=\"https:\/\/support.apple.com\/en-us\/HT212622\">Apple<\/a>:<\/p>\n<blockquote cite=\"https:\/\/support.apple.com\/en-us\/HT212622\"><p>Impact: An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.<\/p>\n<p>Description: A memory corruption issue was addressed with improved memory handling.<\/p><\/blockquote>\n\n<p>I encountered some problems applying this update (on top of 11.5). Software Update repeatedly stopped the download midway. After the download had completed, clicking the button to install it would try to download it again instead of restarting the Mac to begin installation.<\/p>\n\n<p>See also: <a href=\"https:\/\/mrmacintosh.com\/macos-big-sur-11-5-1-update-20g80-is-live-whats-new\/#more-5211\">Mr. Macintosh<\/a> (<a href=\"https:\/\/twitter.com\/ClassicII_MrMac\/status\/1419708533004771338\">tweet<\/a>, <a href=\"https:\/\/mrmacintosh.com\/macos-big-sur-full-installer-database-download-directly-from-apple\/\">standalone download link<\/a>), <a href=\"https:\/\/eclecticlight.co\/2021\/07\/26\/apple-has-released-macos-big-sur-11-5-1-update\/\">Howard Oakley<\/a>.<\/p>\n\n<p>Previously:<\/p>\n<ul>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2021\/07\/23\/macos-11-5\/\">macOS 11.5<\/a><\/li>\n<\/ul>\n\n<p>Update (2021-07-26): See also: <a href=\"https:\/\/twitter.com\/betalogue\/status\/1419630846261223425\">Pierre Igot<\/a>.<\/p>\n\n<p id=\"macos-11-5-1-update-2021-08-04\">Update (2021-08-04): <a href=\"https:\/\/eclecticlight.co\/2021\/08\/01\/last-week-on-my-mac-squeezing-a-thimbleful-of-update-into-a-ten-gallon-can\/\">Howard Oakley<\/a>:<\/p>\n<blockquote cite=\"https:\/\/eclecticlight.co\/2021\/08\/01\/last-week-on-my-mac-squeezing-a-thimbleful-of-update-into-a-ten-gallon-can\/\">\n<p>Updating macOS has never been more painful and fraught than in Big Sur. What had previously been a periodic distraction has changed in the last eight months into an unreliable and inefficient mess, which all too often consumes time when I can least afford it.<\/p>\n<p>[&#8230;]<\/p>\n<p>Last weeks&rsquo; security patch was an excellent example, in that it brought one small but very important fix for a bug, which didn&rsquo;t apparently require a new kernel, firmware revision, or any discernible changes in the build or version numbers of the contents of \/System\/Library. Yet for M1 Macs it required the download of over 3 GB, fifteen minutes &lsquo;preparation&rsquo;, and a further 20-30 minutes to install.<\/p>\n<p>Even if you&rsquo;ve followed Apple&rsquo;s advice and set up a Content Caching Server, each M1 Mac to be updated requires just under 1 GB of that update to be freshly downloaded direct from Apple&rsquo;s servers rather than the local cache.<\/p>\n<\/blockquote>\n\n<p>Previously:<\/p>\n<ul>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2021\/03\/15\/larger-and-slower-updates-with-big-sur\/\">Larger and Slower Updates With Big Sur<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Juli Clover: According to Apple, macOS Big Sur 11.5.1 brings important security updates and is recommended for all users. Apple: Impact: An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited. Description: A memory corruption issue was addressed with [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"2021-07-26T18:49:58Z","apple_news_api_id":"28e4d777-108c-4e21-85ff-efabf186908b","apple_news_api_modified_at":"2022-11-10T17:25:11Z","apple_news_api_revision":"AAAAAAAAAAAAAAAAAAAAAw==","apple_news_api_share_url":"https:\/\/apple.news\/AKOTXdxCMTiGF_--r8YaQiw","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[2],"tags":[131,30,1891,2303,2087],"class_list":["post-33214","post","type-post","status-publish","format-standard","hentry","category-technology","tag-bug","tag-mac","tag-macos-11-0","tag-macos-release","tag-software-update"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/33214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=33214"}],"version-history":[{"count":4,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/33214\/revisions"}],"predecessor-version":[{"id":33315,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/33214\/revisions\/33315"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=33214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=33214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=33214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}