About the security content of iOS 18.7.3 and iPadOS 18.7.3
This document describes the security content of iOS 18.7.3 and iPadOS 18.7.3.
About Apple security updates
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Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
iOS 18.7.3 and iPadOS 18.7.3
Released December 12, 2025
AppleJPEG
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Processing a file may lead to memory corruption
Description: The issue was addressed with improved bounds checks.
CVE-2025-43539: Michael Reeves (@IntegralPilot)
Call History
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: An attacker may be able to spoof their FaceTime caller ID
Description: An inconsistent user interface issue was addressed with improved state management.
CVE-2025-46287: an anonymous researcher, Riley Walz
curl
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Multiple issues in curl
Description: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.
CVE-2024-7264
CVE-2025-9086
FaceTime
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Password fields may be unintentionally revealed when remotely controlling a device over FaceTime
Description: This issue was addressed with improved state management.
CVE-2025-43542: Yiğit Ocak
Foundation
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Processing malicious data may lead to unexpected app termination
Description: A memory corruption issue was addressed with improved bounds checking.
CVE-2025-43532: Andrew Calvano and Lucas Pinheiro of Meta Product Security
Icons
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: An app may be able to identify what other apps a user has installed
Description: A permissions issue was addressed with additional restrictions.
CVE-2025-46279: Duy Trần (@khanhduytran0)
Kernel
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: An app may be able to elevate privileges
Description: A logic issue was addressed with improved checks.
CVE-2025-43512: Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs
Kernel
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: An app may be able to gain root privileges
Description: An integer overflow was addressed by adopting 64-bit timestamps.
CVE-2025-46285: Kaitao Xie and Xiaolong Bai of Alibaba Group
libarchive
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Processing a file may lead to memory corruption
Description: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.
CVE-2025-5918
Messages
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: An app may be able to access sensitive user data
Description: An information disclosure issue was addressed with improved privacy controls.
CVE-2025-46276: Rosyna Keller of Totally Not Malicious Software
Screen Time
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: An app may be able to access sensitive user data
Description: A logging issue was addressed with improved data redaction.
CVE-2025-43538: Iván Savransky
Settings
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: An app may be able to access sensitive user data
Description: This issue was addressed with improved checks.
CVE-2025-43530: Mickey Jin (@patch1t)
Telephony
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: An app may be able to access user-sensitive data
Description: This issue was addressed with additional entitlement checks.
CVE-2025-46292: Rosyna Keller of Totally Not Malicious Software
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 300774
WebKit Bugzilla: 301338
CVE-2025-43535: Nan Wang (@eternalsakura13), Google Big Sleep
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash
Description: A type confusion issue was addressed with improved state handling.
WebKit Bugzilla: 301257
CVE-2025-43541: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: A buffer overflow issue was addressed with improved memory handling.
WebKit Bugzilla: 301371
CVE-2025-43501: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: A use-after-free issue was addressed with improved memory management.
WebKit Bugzilla: 301726
CVE-2025-43536: Nan Wang (@eternalsakura13)
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: A race condition was addressed with improved state handling.
WebKit Bugzilla: 301940
CVE-2025-43531: Phil Pizlo of Epic Games
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.
Description: A use-after-free issue was addressed with improved memory management.
WebKit Bugzilla: 302502
CVE-2025-43529: Google Threat Analysis Group
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
Impact: Processing maliciously crafted web content may lead to memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-43529 was also issued in response to this report.
Description: A memory corruption issue was addressed with improved validation.
WebKit Bugzilla: 303614
CVE-2025-14174: Apple and Google Threat Analysis Group
Additional recognition
Siri
We would like to acknowledge Richard Hyunho Im (@richeeta) at Route Zero Security (routezero.security) for their assistance.
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