CWE-416

Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, macOS Monterey 12.3. An application may be able to gain elevated privileges.

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 15.4 and iPadOS 15.4. An application may be able to execute arbitrary code with kernel privileges.

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.3. An application may be able to execute arbitrary code with kernel privileges.

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 use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, macOS Big Sur 11.6.5, Security Update 2022-003 Catalina, watchOS 8.5, macOS Monterey 12.3. An application may be able to execute arbitrary code with kernel privileges.