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CVE-2021-1857 A memory initialization issue was addressed with improved memory handling

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may disclose sensitive user information.

Affected products and versions

Product Affected versions Fixed in
iOS and iPadOS 14.5 earliest → < 14.5 14.5
iTunes for Windows 12.11 earliest → < 12.11 12.11
iCloud for Windows 12.3 earliest → < 12.3 12.3
tvOS 14.5 earliest → < 14.5 14.5
watchOS 7.4 earliest → < 7.4 7.4
macOS 2021 earliest → < 2021 2021

References

Timeline

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