Apple Multiple Products Integer Overflow or Wraparound Vulnerability

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• NewsExploited · CISA KEVApple · Multiple Products

  Apple Multiple Products Integer Overflow or Wraparound Vulnerability

  CVE-2021-30952

  Apple tvOS, macOS, Safari, iPadOS and watchOS contain an integer overflow or wraparound vulnerability due to the processing of maliciously crafted web content that may lead to arbitrary code execution.

  CISA's required action · due 26 Mar 2026 for U.S. federal civilian agencies

  Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  Cited by CISA: support.apple.com · support.apple.com · support.apple.com · support.apple.com +2 more at the source

  Added to KEV 5 Mar 2026 · Source checked 4 Nov 2026, 16:35 UTC · CISA KEV entry

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