tvOS 18.5 Security Update

What tvOS 18.5 Fixes

tvOS 18.5, released May 12, 2025, fixes 27 vulnerabilities in 14 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 18.5 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It has since been superseded: the newest security release for tvOS 18 is tvOS 18.6, from July 29, 2025, which includes these fixes.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 18.5

Apple lists tvOS 18.5 for: Apple TV HD and Apple TV 4K (all models).

How to Install tvOS 18.5

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 18.5 there is nothing to do.

Every Fix in tvOS 18.5

All 27 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.

• libexpat

  Multiple issues in libexpat, including unexpected app termination or arbitrary code execution

  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-2024-8176

• Kernel

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

  The issue was addressed with improved memory handling.

  CVE-2025-31219

• mDNSResponder

  A user may be able to elevate privileges

  A correctness issue was addressed with improved checks.

  CVE-2025-31222

• Pro Res

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

  The issue was addressed with improved input sanitization.

  CVE-2025-31234

• Wi-Fi

  An attacker in physical proximity may be able to cause an out-of-bounds read in kernel memory

  An out-of-bounds read was addressed with improved bounds checking.

  CVE-2025-43374

• Core Bluetooth

  An app may be able to access sensitive user data

  This issue was addressed through improved state management.

  CVE-2025-31212

• StoreKit

  An app may be able to access sensitive user data

  A privacy issue was addressed with improved private data redaction for log entries.

  CVE-2025-31242

• WebKit

  A malicious website may exfiltrate data cross-origin

  The issue was addressed with improved checks.

  CVE-2025-31205

• AppleJPEG

  Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory

  The issue was addressed with improved input sanitization.

  CVE-2025-31251

• CoreAudio

  Parsing a file may lead to an unexpected app termination

  The issue was addressed with improved checks.

  CVE-2025-31208

• CoreMedia

  Parsing a file may lead to an unexpected app termination

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

  CVE-2025-31239

• CoreMedia

  Processing a maliciously crafted video file may lead to unexpected app termination or corrupt process memory

  The issue was addressed with improved input sanitization.

  CVE-2025-31233

• ImageIO

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

  A logic issue was addressed with improved checks.

  CVE-2025-31226

• Kernel

  A remote attacker may be able to cause unexpected system termination

  The issue was addressed with improved checks.

  CVE-2025-24224

• Kernel

  A remote attacker may cause an unexpected app termination

  A double free issue was addressed with improved memory management.

  CVE-2025-31241

• Pro Res

  An app may be able to cause unexpected system termination

  The issue was addressed with improved checks.

  CVE-2025-31245

• WebKit

  A type confusion issue could lead to memory corruption

  This issue was addressed with improved handling of floats.

  CVE-2025-24213

• WebKit

  Processing maliciously crafted web content may lead to memory corruption

  The issue was addressed with improved checks.

  CVE-2025-31223 CVE-2025-31238

• WebKit

  Processing maliciously crafted web content may lead to memory corruption

  The issue was addressed with improved memory handling.

  CVE-2025-24223 CVE-2025-31204

• WebKit

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

  The issue was addressed with improved input validation.

  CVE-2025-31217

• WebKit

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

  The issue was addressed with improved checks.

  CVE-2025-31215

• WebKit

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

  A type confusion issue was addressed with improved state handling.

  CVE-2025-31206

• WebKit

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

  This issue was addressed with improved memory handling.

  CVE-2025-31257

• CoreGraphics

  Parsing a file may lead to disclosure of user information

  An out-of-bounds read was addressed with improved bounds checking.

  CVE-2025-31209

• Security

  A remote attacker may be able to leak memory

  An integer overflow was addressed with improved input validation.

  CVE-2025-31221

tvOS 18 Security Release History

tvOS 18.5 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