Security Warnings

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





Apple Update


Warning Date: 22 July, 2021

Severity Level ● Critical

Warning Number: 2021-3241

Target Sector: All


Apple has released updates to address multiple vulnerabilities in few of their products. Apple recommends updating the products to the following versions:

  • tvOS 14.7
    • Available for:
      • Apple TV 4K
      • Apple TV HD
  • watchOS 7.6
    • Available for:
      • Apple Watch Series 3 and later
  • iOS 14.7
    • Available for:
      • iPhone 6s and later
      • iPod touch (7th generation)
  • Safari 14.1.2
    • Available for:
      • macOS Catalina
      • macOS Mojave
  • iPadOS 14.7
    • Available for:
      • iPad Pro (all models)
      • iPad Air 2 and later
      • iPad 5th generation and later
      • iPad mini 4 and later
  • macOS Big Sur 11.5
    • Available for:
      • macOS Big Sur
  • macOS Mojave
  • macOS Catalina


Attacker could exploit these vulnerabilities by doing the following:

  • Denial of service (DoS)
  • Bypass sandbox restrictions
  • Gain root privilege
  • Execute arbitrary code

Best practice and Recommendations:

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

Last updated at 22 July, 2021

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