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WhatsApp Update

4696
Classification
These posts contain security alerts, including digital loopholes, electronic attacks, technical updates, and they are classified base on the level of severity.

Critical

High

Medium

Low

Warning Date

Severity Level

Warning Number

Target Sector

8 April, 2021

● High

2021-2730

All

Description:

WhatsApp has released a security update to address a vulnerability in the following products:

  • WhatsApp for Android
  • WhatsApp Business for Android
  • WhatsApp Business for iOS

Threats:

Attacker could exploit this vulnerability by doing the following:

  • Unauthorized modification - Out-of-bounds write
  • Sensitive information disclosure

Best practice and Recommendations:

The CERT team encourages users to review WhatsApp security advisory and apply the necessary updates:

Update instructions:

Go to the App Store and search for WhatsApp. Tap UPDATE next to WhatsApp Messenger.

Last updated at 8 April, 2021

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