CVE-2021-30952β€”Apple Multiple Products Integer Overflow or Wraparound Vulnerability

PUBLISHEDvulnerability record
2026-03-05 Β· last modified March 5, 2026

Metadata

CVE ID:
CVE-2021-30952
Project:
Apple
Product:
Multiple Products
Date Added:
2026-03-05
Due Date:
2026-03-26
Last Updated:
March 5, 2026

Vulnerability Name

Apple Multiple Products Integer Overflow or Wraparound Vulnerability

Description

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

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

Additional Notes

  • https://support.apple.com/en-us/HT212975
  • https://support.apple.com/en-us/HT212976
  • https://support.apple.com/en-us/HT212978
  • https://support.apple.com/en-us/HT212980
  • https://support.apple.com/en-us/HT212982
  • https://nvd.nist.gov/vuln/detail/CVE-2021-30952

Related Weaknesses

browse all CVEs