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Cyber Bites

Apple releases a Rapid Security Response (RSR) for Zero-day bug on most devices

Under their new Rapid Security Response program, Apple has released updates for the following operating systems impacting iPhones, Macs, and iPads:

  • macOS Ventura 13.4.1 (a)

  • iOS 16.5.1 (a)

  • iPadOS 16.5.1 (a)

The bug could allow an attacker to gain arbitrary code execution on targeted devices by tricking you into opening web pages containing maliciously crafted content.

It appears this vulnerability is being exploited in the wild, so you’ll want to update all Apple devices impacted as soon as possible.


Rapid Security Responses - a new type of software release for iPhone, iPad, and Mac. They deliver important security improvements between software updates—for example, improvements to the Safari web browser, the WebKit framework stack, or other critical system libraries. They may also be used to mitigate some security issues more quickly, such as issues that might have been exploited or reported to exist "in the wild."

Sources: Apple, Bleeping Computer

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