tvOS 18.1 Security Update

What tvOS 18.1 Fixes

tvOS 18.1, released October 28, 2024, fixes 19 vulnerabilities in 13 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 tvOS 18.1 a routine security update: worth installing soon, not an emergency.

It has since been superseded: the newest security release for tvOS 18 is tvOS 18.6, from July 29, 2025, which includes these fixes.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 tvOS 18.1

Apple lists tvOS 18.1 for: Apple TV HD and Apple TV 4K (all models).

How to Install tvOS 18.1

On the Apple TV, open Settings → System → Software Updates.

Security fixes are cumulative: any later release for the same version includes these as well, so if you are already past tvOS 18.1 there is nothing to do.

Every Fix in tvOS 18.1

All 19 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.

• IOSurface

  An app may be able to cause unexpected system termination or corrupt kernel memory

  A use-after-free issue was addressed with improved memory management.

  CVE-2024-44285

• Pro Res

  An app may be able to cause unexpected system termination or corrupt kernel memory

  The issue was addressed with improved memory handling.

  CVE-2024-44277

• CoreMedia Playback

  A malicious app may be able to access private information

  This issue was addressed with improved handling of symlinks.

  CVE-2024-44273

• Kernel

  An app may be able to leak sensitive kernel state

  An information disclosure issue was addressed with improved private data redaction for log entries.

  CVE-2024-44239

• AppleAVD

  Parsing a maliciously crafted video file may lead to unexpected system termination

  The issue was addressed with improved bounds checks.

  CVE-2024-44232 CVE-2024-44233 CVE-2024-44234

• ImageIO

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

  The issue was addressed with improved bounds checks.

  CVE-2024-44297

• Security

  A remote attacker may be able to cause a denial-of-service

  A denial-of-service issue was addressed with improved input validation.

  CVE-2024-54538

• WebKit

  Processing maliciously crafted web content may lead to an unexpected process crash

  A memory corruption issue was addressed with improved input validation.

  CVE-2024-44244

• App Support

  A malicious app may be able to run arbitrary shortcuts without user consent

  A path handling issue was addressed with improved logic.

  CVE-2024-44255

• CoreText

  Processing a maliciously crafted font may result in the disclosure of process memory

  The issue was addressed with improved checks.

  CVE-2024-44240 CVE-2024-44302

• Foundation

  Parsing a file may lead to disclosure of user information

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

  CVE-2024-44282

• ImageIO

  Processing an image may result in disclosure of process memory

  This issue was addressed with improved checks.

  CVE-2024-44215

• Managed Configuration

  Restoring a maliciously crafted backup file may lead to modification of protected system files

  This issue was addressed with improved handling of symlinks.

  CVE-2024-44258

• MobileBackup

  Restoring a maliciously crafted backup file may lead to modification of protected system files

  A logic issue was addressed with improved file handling.

  CVE-2024-44252

• WebKit

  Cookies belonging to one origin may be sent to another origin

  A cookie management issue was addressed with improved state management.

  CVE-2024-44212

• WebKit

  Processing maliciously crafted web content may prevent Content Security Policy from being enforced

  The issue was addressed with improved checks.

  CVE-2024-44296

tvOS 18 Security Release History

tvOS 18.1 in context: the security releases Apple has published for tvOS 18, 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