About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
Separately, Apple has also released iOS 13.1.3 and iPadOS 13.1.3 updates for iPhone and iPad. How to Install MacOS Catalina 10.15 Supplemental Update. Mac users running MacOS Catalina can find the Supplemental Update available to download now if they're running a prior MacOS Catalina build. Catalina 10.15, Word stalled and hung when selecting text or moving cursor over bullets or other items that change the visual appearance of text. 10.15.1 crashes the operating system when attempting to use Word. I totally wiped my system before installing 10.15. Update your apps to use new features, and test your apps against API changes. Mac OS Big Sur 11.1 Release Notes. Mac OS Catalina 10.15 Release Notes. Update your apps to use new features, and test your apps against API changes. Apple introduced the perks of macOS 10.15 at the 2019 WWDC, and lots of features have been tested and discussed since then. A dual monitor available with the Sidecar feature, the Photos app update, and a brand-new iTunes made the show this year. Lots of features migrate from iOS, the others appear for the first time. Just to update my post. It took an hour, but the three machines did finally finish the update.
macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra
Released March 24, 2020
Accounts
Available for: macOS Catalina 10.15.3
Impact: A sandboxed process may be able to circumvent sandbox restrictions
Description: A logic issue was addressed with improved restrictions.
CVE-2020-9772: Allison Husain of UC Berkeley
Entry added May 21, 2020
Apple HSSPI Support
Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6, macOS Catalina 10.15.3
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-2020-3903: Proteas of Qihoo 360 Nirvan Team
Entry updated May 1, 2020
AppleGraphicsControl
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.3
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: Multiple memory corruption issues were addressed with improved state management.
CVE-2020-3904: Proteas of Qihoo 360 Nirvan Team
AppleMobileFileIntegrity
Available for: macOS Catalina 10.15.3
Impact: An application may be able to use arbitrary entitlements
Description: This issue was addressed with improved checks.
CVE-2020-3883: Linus Henze (pinauten.de)
Bluetooth
Available for: macOS Catalina 10.15.3
Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic
Description: An issue existed with the use of a PRNG with low entropy. This issue was addressed with improved state management.
CVE-2020-6616: Jörn Tillmanns (@matedealer) and Jiska Classen (@naehrdine) of Secure Mobile Networking Lab
Entry added May 21, 2020
Bluetooth
Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6, macOS Catalina 10.15.3
Impact: A malicious application may be able to determine kernel memory layout
Description: A memory corruption issue was addressed with improved validation.
CVE-2020-9853: Yu Wang of Didi Research America
Entry added May 21, 2020
Bluetooth
Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6, macOS Catalina 10.15.3
Impact: A local user may be able to cause unexpected system termination or read kernel memory
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2020-3907: Yu Wang of Didi Research America
CVE-2020-3908: Yu Wang of Didi Research America
CVE-2020-3912: Yu Wang of Didi Research America
CVE-2020-9779: Yu Wang of Didi Research America
Entry updated September 21, 2020
Bluetooth
Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6, macOS Catalina 10.15.3
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved input validation.
CVE-2020-3892: Yu Wang of Didi Research America
CVE-2020-3893: Yu Wang of Didi Research America
CVE-2020-3905: Yu Wang of Didi Research America
Bluetooth
Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2019-8853: Jianjun Dai of Qihoo 360 Alpha Lab
Call History
Available for: macOS Catalina 10.15.3
Impact: A malicious application may be able to access a user's call history
Description: This issue was addressed with a new entitlement.
CVE-2020-9776: Benjamin Randazzo (@____benjamin)
CoreBluetooth
Available for: macOS Catalina 10.15.3
Impact: A remote attacker may be able to leak sensitive user information
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2020-9828: Jianjun Dai of Qihoo 360 Alpha Lab
Entry added May 13, 2020
CoreFoundation
Available for: macOS Catalina 10.15.3
Impact: A malicious application may be able to elevate privileges
Description: A permissions issue existed. This issue was addressed with improved permission validation.
CVE-2020-3913: Timo Christ of Avira Operations GmbH & Co. KG
CoreText
Available for: macOS Catalina 10.15.3
Impact: Processing a maliciously crafted text message may lead to application denial of service
Description: A validation issue was addressed with improved input sanitization.
CVE-2020-9829: Aaron Perris (@aaronp613), an anonymous researcher, an anonymous researcher, Carlos S Tech, Sam Menzies of Sam's Lounge, Sufiyan Gouri of Lovely Professional University, India, Suleman Hasan Rathor of Arabic-Classroom.com
Entry added May 21, 2020
CUPS
Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6, macOS Catalina 10.15.3
Impact: An application may be able to gain elevated privileges
Description: A memory corruption issue was addressed with improved validation.
CVE-2020-3898: Stephan Zeisberg (github.com/stze) of Security Research Labs (srlabs.de)
Entry added April 8, 2020
FaceTime
Available for: macOS Catalina 10.15.3
Impact: A local user may be able to view sensitive user information
Description: A logic issue was addressed with improved state management.
CVE-2020-3881: Yuval Ron, Amichai Shulman and Eli Biham of Technion - Israel Institute of Technology
Intel Graphics Driver
Available for: macOS Catalina 10.15.3
Impact: A malicious application may disclose restricted memory
Description: An information disclosure issue was addressed with improved state management.
CVE-2019-14615: Wenjian HE of Hong Kong University of Science and Technology, Wei Zhang of Hong Kong University of Science and Technology, Sharad Sinha of Indian Institute of Technology Goa, and Sanjeev Das of University of North Carolina
IOHIDFamily
Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6, macOS Catalina 10.15.3
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A memory initialization issue was addressed with improved memory handling.
CVE-2020-3919: Alex Plaskett of F-Secure Consulting
Entry updated May 21, 2020
IOThunderboltFamily
Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6
Impact: An application may be able to gain elevated privileges
Description: A use after free issue was addressed with improved memory management.
CVE-2020-3851: Xiaolong Bai and Min (Spark) Zheng of Alibaba Inc. and Luyi Xing of Indiana University Bloomington
Kernel
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.3
Impact: An application may be able to read restricted memory
Description: A memory initialization issue was addressed with improved memory handling.
CVE-2020-3914: pattern-f (@pattern_F_) of WaCai
Kernel
Available for: macOS Catalina 10.15.3
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: Multiple memory corruption issues were addressed with improved state management.
CVE-2020-9785: Proteas of Qihoo 360 Nirvan Team
libxml2
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.3
Impact: Multiple issues in libxml2
Description: A buffer overflow was addressed with improved bounds checking.
CVE-2020-3909: LGTM.com
CVE-2020-3911: found by OSS-Fuzz
libxml2
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.3
Impact: Multiple issues in libxml2
Description: A buffer overflow was addressed with improved size validation.
CVE-2020-3910: LGTM.com
Available for: macOS High Sierra 10.13.6, macOS Catalina 10.15.3
Impact: A remote attacker may be able to cause arbitrary javascript code execution
Description: An injection issue was addressed with improved validation.
CVE-2020-3884: Apple
Printing
Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6, macOS Catalina 10.15.3
Impact: A malicious application may be able to overwrite arbitrary files
Description: A path handling issue was addressed with improved validation.
CVE-2020-3915: An anonymous researcher working with iDefense Labs (https://vcp.idefense.com/), HyungSeok Han (DaramG) @Theori working with TrendMicro's Zero Day Initiative
Entry added May 1, 2020
Safari
Available for: macOS Catalina 10.15.3
Impact: A user's private browsing activity may be unexpectedly saved in Screen Time
Description: An issue existed in the handling of tabs displaying picture in picture video. The issue was corrected with improved state handling.
CVE-2020-9775: Andrian (@retroplasma), Marat Turaev, Marek Wawro (futurefinance.com) and Sambor Wawro of STO64 School Krakow Poland
Entry added May 13, 2020
Sandbox
Available for: macOS Catalina 10.15.3
Impact: A user may gain access to protected parts of the file system
Description: This issue was addressed with a new entitlement.
CVE-2020-9771: Csaba Fitzl (@theevilbit) of Offensive Security
Entry added May 21, 2020
Sandbox Exfat bootable windows 10.
Available for: macOS Catalina 10.15.3
Impact: A local user may be able to view sensitive user information
Description: An access issue was addressed with additional sandbox restrictions.
CVE-2020-3918: an anonymous researcher, Augusto Alvarez of Outcourse Limited
Entry added April 8, 2020, updated May 21, 2020
sudo
Available for: macOS Catalina 10.15.3
Impact: An attacker may be able to run commands as a non-existent user
Description: This issue was addressed by updating to sudo version 1.8.31.
CVE-2019-19232
sysdiagnose
Available for: macOS Mojave 10.14.6, macOS High Sierra 10.13.6
Impact: An application may be able to trigger a sysdiagnose
Description: This issue was addressed with improved checks
Macos Catalina 10.15
CVE-2020-9786: Dayton Pidhirney (@_watbulb) of Seekintoo (@seekintoo)
Entry added April 4, 2020
TCC
Available for: macOS Mojave 10.14.6, macOS Catalina 10.15.3
Impact: A maliciously crafted application may be able to bypass code signing enforcement
Description: A logic issue was addressed with improved restrictions.
CVE-2020-3906: Patrick Wardle of Jamf
Time Machine
Available for: macOS Catalina 10.15.3
Impact: A local user may be able to read arbitrary files
Description: A logic issue was addressed with improved state management.
CVE-2020-3889: Lasse Trolle Borup of Danish Cyber Defence
Vim
Available for: macOS Catalina 10.15.3
Impact: Multiple issues in Vim
Description: Multiple issues were addressed by updating to version 8.1.1850.
CVE-2020-9769: Steve Hahn from LinkedIn
WebKit
Available for: macOS Catalina 10.15.3
Impact: Some websites may not have appeared in Safari Preferences
Description: A logic issue was addressed with improved restrictions.
CVE-2020-9787: Ryan Pickren (ryanpickren.com)
Entry added April 8, 2020
WebKit
Available for: macOS Catalina 10.15.3
Impact: Processing maliciously crafted web content may lead to a cross site scripting attack
Description: An input validation issue was addressed with improved input validation.
CVE-2020-3902: Yiğit Can YILMAZ (@yilmazcanyigit)
Entry added July 28, 2020
Additional recognition
CoreText
We would like to acknowledge an anonymous researcher for their assistance.
FireWire Audio
We would like to acknowledge Xiaolong Bai and Min (Spark) Zheng of Alibaba Inc. and Luyi Xing of Indiana University Bloomington for their assistance.
FontParser
We would like to acknowledge Matthew Denton of Google Chrome for their assistance.
Installer
We would like to acknowledge Pris Sears of Virginia Tech, Tom Lynch of UAL Creative Computing Institute, an anonymous researcher, an anonymous researcher for their assistance.
Entry added December 15, 2020
Install Framework Legacy
We would like to acknowledge Pris Sears of Virginia Tech, Tom Lynch of UAL Creative Computing Institute, and an anonymous researcher for their assistance.
Download Macos Catalina 10.15.1
LinkPresentation
Macos 10.15.1 Update
We would like to acknowledge Travis for their assistance.
OpenSSH
We would like to acknowledge an anonymous researcher for their assistance.
rapportd
We would like to acknowledge Alexander Heinrich (@Sn0wfreeze) of Technische Universität Darmstadt for their assistance.
Sidecar
We would like to acknowledge Rick Backley (@rback_sec) for their assistance.
sudo
We would like to acknowledge Giorgio Oppo (linkedin.com/in/giorgio-oppo/) for their assistance.
Entry added April 4, 2020
