• Source:JND
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India's CERT-In has also issued an emergency advisory to Apple device users, quoting a newly identified vulnerability that can put millions of users in danger. The vulnerability has a medium-severity rating and impacts all the corners of Apple's product universe, ranging from iPhones and iPads to MacBooks and Vision Pro headsets.

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What's the problem?

The flaw exists in the FrontParser component of Apple's operating systems. Technically, it is an out-of-bounds write flaw. Practically, this implies that the flaw can be exploited if a device tries to render a maliciously created font. After the flaw has been exploited, attackers have the ability to make apps crash, vandalize process memory, or even create denial-of-service situations where some parts of the system become unavailable for a short period.

Which devices are affected?

The notice makes clear that any device operating previous versions of Apple's software is at risk. That includes:

  • iOS and iPadOS prior to version 18.7.1 and 26.0.1
  • macOS Tahoe prior to 26.0.1, macOS Sequoia prior to 15.7.1, and macOS Sonoma prior to 14.8.1
  • visionOS versions up to 26.0.1

In reality, essentially all newer Apple devices fit the bill except updated ones.

Why it matters

This is not merely an end-user problem. Companies that rely on Apple devices for operations on a daily basis may experience system instability, service crashes, or even data manipulation if the vulnerability is not fixed.

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What you should do

The best defence is simple: update your device right away. Head to Settings > Software Update and install the latest version. Enabling automatic updates is also highly recommended, ensuring you’re protected against future vulnerabilities without delay.

Staying up to date is no longer optional—it’s essential for keeping your Apple devices secure.