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.
Released March 27, 2023
Apple Neural Engine
Available for: macOS Big Sur
Impact: An app may be able to execute arbitrary code with kernel privileges
Description: The issue was addressed with improved memory handling.
CVE-2023-23540: Mohamed GHANNAM (@_simo36)
AppleAVD
Available for: macOS Big Sur
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A use after free issue was addressed with improved memory management.
CVE-2022-26702: an anonymous researcher, Antonio Zekic (@antoniozekic), and John Aakerblom (@jaakerblom)
AppleMobileFileIntegrity
Available for: macOS Big Sur
Impact: A user may gain access to protected parts of the file system
Description: The issue was addressed with improved checks.
CVE-2023-23527: Mickey Jin (@patch4t)
Archive Utility
Available for: macOS Big Sur
Impact: An archive may be able to bypass Gatekeeper
Description: The issue was addressed with improved checks.
CVE-2023-27951: Brandon Dalton of Red Canary and Csaba Fitzl (@theevilbit) of Offensive Security
Calendar
Available for: macOS Big Sur
Impact: Importing a maliciously crafted calendar invitation may exfiltrate user information
Description: Multiple validation issues were addressed with improved input sanitization.
CVE-2023-27961: Rıza Sabuncu (@rizasabuncu)
Carbon Core
Available for: macOS Big Sur
Impact: Processing a maliciously crafted image may result in disclosure of process memory
Description: The issue was addressed with improved checks.
CVE-2023-23534: Mickey Jin (@patch4t)
ColorSync
Available for: macOS Big Sur
Impact: An app may be able to read arbitrary files
Description: The issue was addressed with improved checks.
CVE-2023-27955: JeongOhKyea
CommCenter
Available for: macOS Big Sur
Impact: An app may be able to cause unexpected system termination or write kernel memory
Description: An out-of-bounds write issue was addressed with improved input validation.
CVE-2023-27936: Tingting Yin of Tsinghua University
dcerpc
Available for: macOS Big Sur
Impact: A remote user may be able to cause unexpected app termination or arbitrary code execution
Description: The issue was addressed with improved bounds checks.
CVE-2023-27935: Aleksandar Nikolic of Cisco Talos
dcerpc
Available for: macOS Big Sur
Impact: A remote user may be able to cause unexpected system termination or corrupt kernel memory
Description: The issue was addressed with improved memory handling.
CVE-2023-27953: Aleksandar Nikolic of Cisco Talos
CVE-2023-27958: Aleksandar Nikolic of Cisco Talos
Find My
Available for: macOS Big Sur
Impact: An app may be able to read sensitive location information
Description: A privacy issue was addressed with improved private data redaction for log entries.
CVE-2023-23537: an anonymous researcher
Foundation
Available for: macOS Big Sur
Impact: Parsing a maliciously crafted plist may lead to an unexpected app termination or arbitrary code execution
Description: An integer overflow was addressed with improved input validation.
CVE-2023-27937: an anonymous researcher
Identity Services
Available for: macOS Big Sur
Impact: An app may be able to access information about a user’s contacts
Description: A privacy issue was addressed with improved private data redaction for log entries.
CVE-2023-27928: Csaba Fitzl (@theevilbit) of Offensive Security
ImageIO
Available for: macOS Big Sur
Impact: Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2023-27946: Mickey Jin (@patch4t)
ImageIO
Available for: macOS Big Sur
Impact: Processing a maliciously crafted image may result in disclosure of process memory
Description: The issue was addressed with improved memory handling.
CVE-2023-23535: ryuzaki
Kernel
Available for: macOS Big Sur
Impact: An app may be able to execute arbitrary code with kernel privileges
Description: A use after free issue was addressed with improved memory management.
CVE-2023-23514: Xinru Chi of Pangu Lab and Ned Williamson of Google Project Zero
Kernel
Available for: macOS Big Sur
Impact: An app may be able to disclose kernel memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2023-28200: Arsenii Kostromin (0x3c3e)
NetworkExtension
Available for: macOS Big Sur
Impact: A user in a privileged network position may be able to spoof a VPN server that is configured with EAP-only authentication on a device
Description: The issue was addressed with improved authentication.
CVE-2023-28182: Zhuowei Zhang
PackageKit
Available for: macOS Big Sur
Impact: An app may be able to modify protected parts of the file system
Description: A logic issue was addressed with improved checks.
CVE-2023-27962: Mickey Jin (@patch4t)
System Settings
Available for: macOS Big Sur
Impact: An app may be able to access user-sensitive data
Description: A privacy issue was addressed with improved private data redaction for log entries.
CVE-2023-23542: an anonymous researcher
System Settings
Available for: macOS Big Sur
Impact: An app may be able to read sensitive location information
Description: A permissions issue was addressed with improved validation.
CVE-2023-28192: Guilherme Rambo of Best Buddy Apps (rambo.codes)
Vim
Available for: macOS Big Sur
Impact: Multiple issues in Vim
Description: Multiple issues were addressed by updating to Vim version 9.0.1191.
CVE-2023-0433
CVE-2023-0512
XPC
Available for: macOS Big Sur
Impact: An app may be able to break out of its sandbox
Description: This issue was addressed with a new entitlement.
CVE-2023-27944: Mickey Jin (@patch4t)
Activation Lock
We would like to acknowledge Christian Mina for their assistance.
AppleMobileFileIntegrity
We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing (wojciechregula.blog) for their assistance.
CoreServices
We would like to acknowledge Mickey Jin (@patch4t) for their assistance.
NSOpenPanel
We would like to acknowledge Alexandre Colucci (@timacfr) for their assistance.
Wi-Fi
We would like to acknowledge an anonymous researcher for their assistance.
Vulmon