A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 15.3 and iPadOS 15.3, watchOS 8.4, tvOS 15.3, Safari 15.3, macOS Monterey 12.2. Processing a maliciously crafted mail message may lead to running arbitrary javascript.
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 15.3 and iPadOS 15.3, watchOS 8.4, tvOS 15.3, Safari 15.3, macOS Monterey 12.2. Processing maliciously crafted web content may lead to arbitrary code execution.
A logic issue was addressed with improved state management. This issue is fixed in iOS 15.3 and iPadOS 15.3, watchOS 8.4, tvOS 15.3, Safari 15.3, macOS Monterey 12.2. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.
A cross-origin issue in the IndexDB API was addressed with improved input validation. This issue is fixed in iOS 15.3 and iPadOS 15.3, watchOS 8.4, tvOS 15.3, Safari 15.3, macOS Monterey 12.2. A website may be able to track sensitive user information.
The HTTP/2 protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by leveraging a web-browser configuration in which third-party cookies are sent, aka a "HEIST" attack.
The HTTPS protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by leveraging a web-browser configuration in which third-party cookies are sent, aka a "HEIST" attack.
Safari in Apple iOS before 9.3.3 allows remote attackers to spoof the displayed URL via an HTTP response specifying redirection to an invalid TCP port number.
TelephonyUI Framework in Apple iOS 7 before 7.1, when Safari is used, does not require user confirmation for FaceTime audio calls, which allows remote attackers to obtain telephone number or e-mail address information via a facetime-audio: URL.
Apple Safari before 6.0.1 does not properly handle the Quarantine attribute of HTML documents, which allows user-assisted remote attackers to read arbitrary files by leveraging the presence of a downloaded document.