How large is the new iOS 14.4.2 security update?

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The iOS 14.4.2 security update is approximately 200MB in size.

Apple has released the iOS 14.4.2 update to address a security vulnerability. This update is available for devices that support iOS 14 and is also mirrored in the iOS 12.5.2 update for older devices unable to run iOS 14. The size of the iOS 14.4.2 update is around 200MB.
Security Flaw Addressed

The update specifically targets a vulnerability described by Apple as "Processing maliciously crafted web content may lead to universal cross site scripting." This means that users could be at risk if they encountered specially designed web content.
Active Exploitation Acknowledged

Apple has stated that it is aware of a report indicating this specific issue may have already been actively exploited. The discovery and reporting of this vulnerability have been credited to Clement Lecigne and Billy Leonard of Google Threat Analysis Group.
Broader Exploit Context

This update follows the discovery of 11 zero-day exploits by Google's Project Zero team, which were reportedly being used to compromise Android, Windows, and iOS devices. These exploits allowed some websites to redirect vulnerable users to servers designed for attacks.

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How large is the new iOS 14.4.2 security update?

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