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.
iOS 15.7.4 and iPadOS 15.7.4
Released March 27, 2023
Accessibility
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
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-2023-23541: Csaba Fitzl (@theevilbit) of Offensive Security
Calendar
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
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)
Camera
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: A sandboxed app may be able to determine which app is currently using the camera
Description: The issue was addressed with additional restrictions on the observability of app states.
CVE-2023-23543: Yiğit Can YILMAZ (@yilmazcanyigit)
CommCenter
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
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
Find My
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
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: Adam M.
Entry updated December 21, 2023
FontParser
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: Processing a maliciously crafted image may result in disclosure of process memory
Description: The issue was addressed with improved memory handling.
CVE-2023-27956: Ye Zhang of Baidu Security
FontParser
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: Processing a font file may lead to arbitrary code execution
Description: An out-of-bounds write issue was addressed with improved input validation.
CVE-2023-32366: Ye Zhang (@VAR10CK) of Baidu Security
Entry added December 21, 2023
Identity Services
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
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: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
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 (@patch1t)
ImageIO
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
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: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
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)
Entry added May 1, 2023
Kernel
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: An app may be able to disclose kernel memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2023-27941: Arsenii Kostromin (0x3c3e)
Kernel
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
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-2023-27969: Adam Doupé of ASU SEFCOM
Kernel
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: An app may be able to execute arbitrary code with kernel privileges
Description: The issue was addressed with improved bounds checks.
CVE-2023-23536: Félix Poulin-Bélanger and David Pan Ogea
Entry added May 1, 2023, updated December 21, 2023
Kernel
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: An app may be able to cause a denial-of-service
Description: An integer overflow was addressed through improved input validation.
CVE-2023-28185: Pan ZhenPeng of STAR Labs SG Pte. Ltd.
Entry added December 21, 2023
libpthread
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: An app may be able to execute arbitrary code with kernel privileges
Description: A type confusion issue was addressed with improved checks.
CVE-2023-41075: Zweig of Kunlun Lab
Entry added December 21, 2023
Model I/O
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
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 input validation.
CVE-2023-27949: Mickey Jin (@patch1t)
Model I/O
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: Processing an image may result in disclosure of process memory
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2023-27950: Mickey Jin (@patch1t)
Entry added December 21, 2023
NetworkExtension
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
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
Shortcuts
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: A shortcut may be able to use sensitive data with certain actions without prompting the user
Description: The issue was addressed with additional permissions checks.
CVE-2023-27963: Jubaer Alnazi Jabin of TRS Group Of Companies, and Wenchao Li and Xiaolong Bai of Alibaba Group
WebKit
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: A website may be able to track sensitive user information
Description: The issue was addressed by removing origin information.
WebKit Bugzilla: 250837
CVE-2023-27954: an anonymous researcher
WebKit
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Description: A type confusion issue was addressed with improved checks.
WebKit Bugzilla: 251944
CVE-2023-23529: an anonymous researcher
WebKit
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: Processing web content may lead to arbitrary code execution
Description: A use-after-free issue was addressed with improved memory management.
WebKit Bugzilla: 250429
CVE-2023-28198: hazbinhotel working with Trend Micro Zero Day Initiative
Entry added December 21, 2023
WebKit PDF
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: Processing web content may lead to arbitrary code execution
Description: A type confusion issue was addressed with improved checks.
WebKit Bugzilla: 249169
CVE-2023-32358: Anonymous working with Trend Micro Zero Day Initiative
Entry added December 21, 2023
WebKit Web Inspector
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)
Impact: A remote user may be able to cause unexpected app termination or arbitrary code execution
Description: This issue was addressed with improved state management.
CVE-2023-28201: Dohyun Lee (@l33d0hyun), crixer (@pwning_me) of SSD Labs
Entry added May 1, 2023
Additional recognition
We would like to acknowledge Fabian Ising of FH Münster University of Applied Sciences, Damian Poddebniak of FH Münster University of Applied Sciences, Tobias Kappert of Münster University of Applied Sciences, Christoph Saatjohann of Münster University of Applied Sciences, and Sebastian Schinzel of Münster University of Applied Sciences for their assistance.
Entry updated May 1, 2023
WebKit Web Inspector
We would like to acknowledge Dohyun Lee (@l33d0hyun) and crixer (@pwning_me) of SSD Labs for their assistance.