Use‑After‑Free Leading to Unexpected Browser Crash in Safari and Apple Platforms

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious web extension may be able to cause an unexpected process crash.

An authorization issue was addressed with improved state management. This issue is fixed in Safari 26.6, macOS Tahoe 26.6. An app may be able to access sensitive user data.

webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may result in the disclosure of process memory.

webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data

This issue was addressed through improved state management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may be able to silently hijack clipboard data.

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A memory corruption issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.

webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information

A path handling issue was addressed with improved validation. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may disclose sensitive user information.

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.

webkitgtk: webkitgtk: Visiting a website may leak sensitive data

A permissions issue was addressed with additional restrictions. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Visiting a website may leak sensitive data.

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.

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

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.

webkitgtk: issue was addressed with improved UI handling

The issue was addressed with improved UI handling. This issue is fixed in tvOS 16.1, macOS Ventura 13, watchOS 9.1, Safari 16.1, iOS 16.1 and iPadOS 16. Visiting a malicious website may lead to user interface spoofing.

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

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.2, iOS 18.2 and iPadOS 18.2, iPadOS 17.7.6, macOS Sequoia 15.2, tvOS 18.2, visionOS 2.2, watchOS 11.2. Processing maliciously crafted web content may lead to an unexpected process crash.

LOGJAM: TLS connections which support export grade DHE key-exchange are vulnerable to MITM attacks

The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHE_EXPORT choice, which allows man-in-the-middle attackers to conduct cipher-downgrade attacks by rewriting a ClientHello with DHE replaced by DHE_EXPORT and then rewriting a ServerHello with DHE_EXPORT replaced by DHE, aka the "Logjam" issue.

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

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.

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

This issue was addressed with improved memory handling. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Apple UI Spoofing via Safari and Apple Operating Systems

The issue was addressed with improved UI. This issue is fixed in Safari 18.3, Safari 18.4, iOS 18.3 and iPadOS 18.3, iOS 18.4 and iPadOS 18.4, iPadOS 17.7.6, macOS Sequoia 15.3, macOS Sequoia 15.4, visionOS 2.3, visionOS 2.4, watchOS 11.4. Visiting a malicious website may lead to user interface spoofing.

Safari Private Browsing Tracking Vulnerability

This issue was addressed through improved state management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, iPadOS 17.7.6, macOS Sequoia 15.4, tvOS 18.4, watchOS 11.4. A malicious website may be able to track users in Safari private browsing mode.

Malicious Website Causes Address Bar Spoofing on Apple Browsers and Devices

The issue was addressed with improved checks. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, watchOS 11.4. Visiting a malicious website may lead to address bar spoofing.

Browser Script Import Vulnerability Causing Information Disclosure

A script imports issue was addressed with improved isolation. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4. Visiting a website may leak sensitive data.

Universal Cross‑Site Scripting via Improper State Management in Safari and macOS

This issue was addressed through improved state management. This issue is fixed in Safari 18.6, macOS Sequoia 15.6. Processing maliciously crafted web content may lead to universal cross site scripting.