- Macos 10.15 Catalina Iso Download
- Macos Catalina Combo Update
- Download Macos Catalina 10.15.4
- Macos 10.15 Catalina Download Link
- Macos Catalina 10.15.7
Download macOS Catalina 10.15.4 Combo Update macOS Catalina 10.15.4 introduces iCloud Drive folder sharing, Screen Time communications limits, Apple Music time-synced lyrics view, and more. The update also improves the stability, reliability, and security of your Mac. Download macOS Catalina 10.15.3 DMG setup free. Catalina 10.15.3 packs with many new development and security features to make the work more smart, secure and easy for Mac users. MacOS Catalina 10.15.3 Review. MacOS Catalina 10.15.3 comes with many new and impressive updates to make the Mac experience better. Arunabh1982 wrote: I am trying to Update the OS from macOS Catalina 10.15.3 to 10.15.4 on my Macbook Air 2014. Every time I click on Update Now Button for updating the OS, a prompt appears saying.
macOS Catalina 10.15.3 Update (19D76) is now Available.
10.15.3 is Catalina’s third update and was released about a month and a half after the 10.15.2 Update. MacOS Catalina 10.15.3 is now available for download as a full installer.app, delta and combo update. Let’s take a look at the Catalina 10.15.3 Update (19D76) to see what’s new.
10.15.3 Patch Notes Summary
- 1 Known Issue
- 1 Undocumented Fix
- 2 Resolved Issues
- EDIT: 23 Security Fixes
Apple’s Public Patch Notes / Release Notes Documentation
For more detailed information about this update and previous updates, please visit: https://support.apple.com/kb/HT210642
Previous 10.15 Releases + Previous Patch Notes
- 10.15.3 = (19D76) January 28th 2020 = Current Release
Catalina 10.15.3 Info & Download Links
Delta Update
Link– https://support.apple.com/kb/DL2029
Size = 2.99gb
Product ID = 061-62842
Requirements = 10.15.2
Combo Update
Link –https://support.apple.com/kb/DL2030
Size = 4.59gb
Product ID = 061-62853
Requirements = 10.15.0, 10.15.1 or 10.15.2
HT to Howard Oakley for the download links!!
Full Installer.app
Link – Catalina 10.15.3 Mac App Store
Size = 8.67gb
Product ID = 061-44387
Requirements – 10.15 Catalina Requirements
T2 BridgeOS Update
T2 BridgeOS was updated along with the 10.15.3 update.
BridgeOS Update = 17.16.13050
Catalina 10.15.3 Update (19D76) Overview
The macOS Catalina 10.15.3 update improves the stability, reliability and security of your Mac, and is recommended for all users.
This update:
- Optimizes gamma handling of low gray levels on Pro Display XDR for SDR workflows when using macOS
- Improves multi-stream video editing performance for HEVC and H.264 encoded 4K video on the 16-inch MacBook Pro (2019)
Undocumented Fix – Mail.app Data loss bug is reportedly fixed.
Security Content for 10.15.3
- EDIT: removed 4 10.14 and 10.13 only fixes =23 Security Content Related Fixes
AnnotationKit
Available for: macOS Catalina 10.15.2
Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2020-3877: an anonymous researcher working with Trend Micro’s Zero Day Initiative
apache_mod_php
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: Multiple issues in PHP
Description: Multiple issues were addressed by updating to PHP version 7.3.11.
CVE-2019-11043
Audio
Available for: macOS Catalina 10.15.2
Impact: An application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2020-3857: Zhuo Liang of Qihoo 360 Vulcan Team
autofs
Available for: macOS Catalina 10.15.2
Impact: Searching for and opening a file from an attacker controlled NFS mount may bypass Gatekeeper
Description: This was addressed with additional checks by Gatekeeper on files mounted through a network share.
CVE-2020-3866: Jose Castro Almeida (@HackerOn2Wheels) and René Kroka (@rene_kroka)
Crash Reporter
Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6, macOS Catalina 10.15.2
Impact: A malicious application may be able to access restricted files
Description: A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks.
CVE-2020-3835: Csaba Fitzl (@theevilbit)
Image Processing
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: Viewing a maliciously crafted JPEG file may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved input validation.
CVE-2020-3827: Samuel Groß of Google Project Zero
ImageIO
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2020-3826: Samuel Groß of Google Project Zero
CVE-2020-3870
CVE-2020-3878: Samuel Groß of Google Project Zero
Intel Graphics Driver
Available for: macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: An application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2020-3845: Zhuo Liang of Qihoo 360 Vulcan Team
IOAcceleratorFamily
Available for: macOS Catalina 10.15.2
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2020-3837: Brandon Azad of Google Project Zero
IPSec
Available for: macOS Catalina 10.15.2
Impact: Loading a maliciously crafted racoon configuration file may lead to arbitrary code execution
Description: An off by one issue existed in the handling of racoon configuration files. This issue was addressed through improved bounds checking.
CVE-2020-3840: @littlelailo
Kernel
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2020-3875: Brandon Azad of Google Project Zero
Kernel
Available for: macOS Catalina 10.15.2
Impact: An application may be able to read restricted memory
Description: A memory initialization issue was addressed with improved memory handling.
CVE-2020-3872: Haakon Garseg Mørk of Cognite and Cim Stordal of Cognite
Kernel
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: A malicious application may be able to execute arbitrary code with system privileges
Description: A type confusion issue was addressed with improved memory handling.
CVE-2020-3853: Brandon Azad of Google Project Zero
Kernel
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: A malicious application may be able to determine kernel memory layout
Description: An access issue was addressed with improved memory management.
CVE-2020-3836: Brandon Azad of Google Project Zero
Kernel
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2020-3842: Ned Williamson working with Google Project Zero
CVE-2020-3871: Corellium
libxpc
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: Processing a maliciously crafted string may lead to heap corruption
Description: A memory corruption issue was addressed with improved input validation.
CVE-2020-3856: Ian Beer of Google Project Zero
libxpc
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: An application may be able to gain elevated privileges
Macos 10.15 Catalina Iso Download
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2020-3829: Ian Beer of Google Project Zero
PackageKit
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: A malicious application may be able to overwrite arbitrary files
Description: A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks.
CVE-2020-3830: Csaba Fitzl (@theevilbit)
Security
Available for: macOS Catalina 10.15.2
Impact: An application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2020-3854: Jakob Rieck (@0xdead10cc) and Maximilian Blochberger of the Security in Distributed Systems Group of University of Hamburg
sudo
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: Certain configurations may allow a local attacker to execute arbitrary code
Description: A buffer overflow issue was addressed with improved memory handling.
CVE-2019-18634: Apple
Wi-Fi
Available for: macOS Catalina 10.15.2
Macos Catalina Combo Update
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2020-3839: s0ngsari of Theori and Lee of Seoul National University working with Trend Micro’s Zero Day Initiative
Wi-Fi
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory
Description: A memory corruption issue was addressed with improved input validation.
CVE-2020-3843: Ian Beer of Google Project Zero
wifivelocityd
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2
Impact: An application may be able to execute arbitrary code with system privileges
Description: The issue was addressed with improved permissions logic.
CVE-2020-3838: Dayton Pidhirney (@_watbulb)
The 10.15.2 update is the second major update for macOS Catalina and lets you use your iPhone or iPad as a TV remote and makes improvements to various Apple Apps. Radeon RX 5500 and 5500M gain support in this macOS update, but it also requiresWhateverGreen.kext to be updated for all AMD GPU users to reenable HEVC support.
10.15.2 Update Notes:
- iTunes Remote – Use an iPhone or iPad to remotely control the Music and TV apps on a Mac
- App improvements to the Photos, News, Stocks, Music and Mail
- Raises base processor clock speeds to improve performance in Catalina
- Radeon RX 5500 and 5500M support
- Breaks HEVC/H.265 Support for some AMD Cards
For more detailed information about this update, please visit: https://support.apple.com/kb/HT210642
Hackintosh 10.15.2 Install Overview
Download the macOS Catalina 10.15.2 Update (Build 19C57)
Download Macos Catalina 10.15.4
- Begin the update by going to Catalina on the App Store or open Software Update directly by Choosing Apple menu > System Preferences, then click Software Update.
- Alternatively 10.15.2 can be updated to with a standalone installer downloaded from the Apple’s support page:
- Update from 10.15.1 to with the Catalina 10.15.2 Standalone Update
- Update from 10.15.0 with the Catalina 10.15.2 Combo Update
Hackintosh 10.15.2 USB Patch
A USB port-limit patch is used to increase the number of allowed USB ports in macOS, useful for a motherboards with plently of USB3 ports. A port-limit patch can be used to inject missing USB3 ports by increasing the port limit.
Macos 10.15 Catalina Download Link
Catalina 10.15.2 works with the same USB Port-limit Patch from 10.15.0 If updating from a version of macOS before Catalina you’ll need to add it and remove or disable any previous port-limit patches.
Macos Catalina 10.15.7
AMD Graphics 10.15.2 Fix
- Update WhateverGreen.kext to 1.3.6 or later
- HEVC support has been removed (temporary?) in 10.15.2 by Apple it can be added back with WhateverGreen.kext 1.3.6 or later.
- WhateverGreen.kext-10.15.2-Dev-Build – Use this developer version of WhateverGreen.kext 1.3.6 if it hasn’t been compiled for release yet.
- May need to use bootflag agdpmod=vit9696 or agdpmod=pikera with an AMD card to avoid being black screened
- If HiDPI stops working for you in 10.15.2 patch it with a Display Override
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