iOS 17.5 Security Update

What iOS 17.5 Fixes

iOS 17.5 and iPadOS 17.5, released May 13, 2024, fixes 49 vulnerabilities in 35 parts of the system, according to Apple's security advisory.

Apple does not say that any of them were exploited before the fix. That makes iOS 17.5 a routine security update: worth installing soon, not an emergency.

It has since been superseded: the newest security release for iOS 17 is iOS 17.7.2 and iPadOS 17.7.2, from November 19, 2024, which includes these fixes.

Grouped by us from the impact Apple gives for each fix; the impact lines below are Apple's own.

Which Devices Get iOS 17.5

Apple lists iOS 17.5 and iPadOS 17.5 for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later.

How to Install iOS 17.5

On the iPhone, open Settings → General → Software Update. If more than one update is offered, the one with the higher version number is the current release; the other is for people who want to stay on the previous major version.

Security fixes are cumulative: any later release for the same version includes these as well, so if you are already past iOS 17.5 there is nothing to do.

Every Fix in iOS 17.5

All 49 CVEs in Apple's advisory, the most serious kinds first. Each entry is the part of the system affected, Apple's description of the impact and the fix, and the CVE ID.

• AVEVideoEncoder

  An app may be able to execute arbitrary code with kernel privileges

  The issue was addressed with improved memory handling.

  CVE-2024-40771

• CoreMedia

  An app may be able to execute arbitrary code with kernel privileges

  The issue was addressed with improved checks.

  CVE-2024-27817

• CoreMedia

  Processing a file may lead to unexpected app termination or arbitrary code execution

  An out-of-bounds write issue was addressed with improved input validation.

  CVE-2024-27831

• ImageIO

  Processing a maliciously crafted image may lead to arbitrary code execution

  The issue was addressed with improved checks.

  CVE-2024-27836

• IOSurface

  An app may be able to execute arbitrary code with kernel privileges

  The issue was addressed with improved memory handling.

  CVE-2024-27828

• Kernel

  An attacker may be able to cause unexpected app termination or arbitrary code execution

  The issue was addressed with improved memory handling.

  CVE-2024-27818

• Kernel

  An attacker that has already achieved kernel code execution may be able to bypass kernel memory protections

  The issue was addressed with improved memory handling.

  CVE-2024-27840

• Kernel

  An app may be able to execute arbitrary code with kernel privileges

  An out-of-bounds write issue was addressed with improved input validation.

  CVE-2024-27815

• Metal

  Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution

  An out-of-bounds read was addressed with improved input validation.

  CVE-2024-27802

• Metal

  A remote attacker may be able to cause unexpected app termination or arbitrary code execution

  An out-of-bounds access issue was addressed with improved bounds checking.

  CVE-2024-27857

• WebKit

  Processing a file may lead to unexpected app termination or arbitrary code execution

  The issue was addressed with improved checks.

  CVE-2024-27856

• WebKit

  Processing web content may lead to arbitrary code execution

  The issue was addressed with improved memory handling.

  CVE-2024-27808

• WebKit

  Processing maliciously crafted web content may lead to arbitrary code execution

  An integer overflow was addressed with improved input validation.

  CVE-2024-27833

• WebKit

  Processing maliciously crafted web content may lead to arbitrary code execution

  The issue was addressed with improved bounds checks.

  CVE-2024-27851

• WebKit Web Inspector

  Processing web content may lead to arbitrary code execution

  The issue was addressed with improved memory handling.

  CVE-2024-27820

• AVEVideoEncoder

  An app may be able to disclose kernel memory

  The issue was addressed with improved memory handling.

  CVE-2024-27841

• Disk Images

  An app may be able to elevate privileges

  The issue was addressed with improved checks.

  CVE-2024-27832

• Foundation

  An app may be able to elevate privileges

  The issue was addressed with improved checks.

  CVE-2024-27801

• Kernel

  An attacker in a privileged network position may be able to spoof network packets

  A race condition was addressed with improved locking.

  CVE-2024-27823

• libiconv

  An app may be able to elevate privileges

  The issue was addressed with improved checks.

  CVE-2024-27811

• StorageKit

  A malicious app may be able to gain root privileges

  This issue was addressed with improved permissions checking.

  CVE-2024-27848

• Voice Control

  An attacker may be able to elevate privileges

  The issue was addressed with improved checks.

  CVE-2024-27796

• AppleMobileFileIntegrity

  An attacker may be able to access user data

  A logic issue was addressed with improved checks.

  CVE-2024-27816

• Core Data

  An app may be able to access sensitive user data

  An issue was addressed with improved validation of environment variables.

  CVE-2024-27805

• Find My

  A malicious application may be able to determine a user's current location

  A privacy issue was addressed by moving sensitive data to a more secure location.

  CVE-2024-27839

• Libsystem

  An app may be able to access protected user data

  A permissions issue was addressed by removing vulnerable code and adding additional checks.

  CVE-2023-42893

• Mail

  An attacker with physical access may be able to leak Mail account credentials

  An authentication issue was addressed with improved state management.

  CVE-2024-23251

• Maps

  An app may be able to read sensitive location information

  A path handling issue was addressed with improved validation.

  CVE-2024-27810

• MarketplaceKit

  A maliciously crafted webpage may be able to distribute a script that tracks users on other webpages

  A privacy issue was addressed with improved client ID handling for alternative app marketplaces.

  CVE-2024-27852

• Notes

  An attacker with physical access to an iOS device may be able to access notes from the lock screen

  This issue was addressed through improved state management.

  CVE-2024-27835

• RemoteViewServices

  An attacker may be able to access user data

  A logic issue was addressed with improved checks.

  CVE-2024-27816

• Screenshots

  An attacker with physical access may be able to share items from the lock screen

  A permissions issue was addressed with improved validation.

  CVE-2024-27803

• Shortcuts

  A shortcut may output sensitive user data without consent

  A path handling issue was addressed with improved validation.

  CVE-2024-27821

• Shortcuts

  A shortcut may be able to use sensitive data with certain actions without prompting the user

  The issue was addressed with improved checks.

  CVE-2024-27855

• Siri

  An attacker with physical access may be able to access contacts from the lock screen

  The issue was addressed by restricting options offered on a locked device.

  CVE-2024-27819

• Spotlight

  An app may be able to access sensitive user data

  This issue was addressed with improved environment sanitization.

  CVE-2024-27806

• Status Bar

  An attacker with physical access to an iOS device may be able to view notification contents from the Lock Screen

  This issue was addressed through improved state management.

  CVE-2024-40839

• Symptom Framework

  An app may be able to circumvent App Privacy Report logging

  The issue was addressed with improved checks.

  CVE-2024-27807

• Sync Services

  An app may be able to bypass Privacy preferences

  This issue was addressed with improved checks

  CVE-2024-27847

• Transparency

  An app may be able to access user-sensitive data

  This issue was addressed with a new entitlement.

  CVE-2024-27884

• WebKit

  An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication

  The issue was addressed with improved checks.

  CVE-2024-27834

• AppleAVD

  An app may be able to cause unexpected system termination

  The issue was addressed with improved memory handling.

  CVE-2024-27804

• Messages

  Processing a maliciously crafted message may lead to a denial-of-service

  This issue was addressed by removing the vulnerable code.

  CVE-2024-27800

• Apple Neural Engine

  A local attacker may be able to cause unexpected system shutdown

  The issue was addressed with improved memory handling.

  CVE-2024-27826

• Face ID

  An attacker with physical access to a device may be able to disable Stolen Device Protection

  This issue was addressed through improved state management.

  CVE-2024-44136

• Mail

  A maliciously crafted email may be able to initiate FaceTime calls without user authorization

  The issue was addressed with improved checks.

  CVE-2024-23282

• Notes

  An app may be able to access Notes attachments

  A privacy issue was addressed with improved handling of temporary files.

  CVE-2024-27845

• WebKit

  A maliciously crafted webpage may be able to fingerprint the user

  The issue was addressed by adding additional logic.

  CVE-2024-27838

• WebKit

  A maliciously crafted webpage may be able to fingerprint the user

  This issue was addressed with improvements to the noise injection algorithm.

  CVE-2024-27850

• WebKit Canvas

  A maliciously crafted webpage may be able to fingerprint the user

  This issue was addressed through improved state management.

  CVE-2024-27830

iOS 17 Security Release History

iOS 17.5 in context: the security releases Apple has published for iOS 17, newest first, with the number of fixes each carried.

The Same Fixes Elsewhere

Apple ships most fixes to every platform that shares the code, and to older versions still under support. These releases close at least one of the same CVEs:

Frequently Asked Questions