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

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 releases page.

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

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.

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.

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.

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.

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.

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.

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.

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.