CriticalMarch 5, 2026
Source: CISA KEV

CVE-2021-30952: Apple Multiple Products Integer Overflow or Wraparound Vulnerability

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. This is a critical threat mapped to CVE-2021-30952; security leaders should validate exposure, prioritize patching,...

Related CVEs

CVE-2021-30952

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SecOps Recommended Triage Checklist

  • 01.Scope & Asset Discovery: Query vulnerability scanners (e.g. Tenable) and software bill of materials (SBOM) to pinpoint affected packages and services.
  • 02.Vendor Patch Application: Prioritize deployment of official security patches released by upstream vendors.
  • 03.Compensating Defense Controls: If patch cannot be applied immediately, enforce strict firewall/WAF boundaries and isolate target instances.
  • 04.Endpoint Behavioral Monitoring: Audit telemetry via EDR (e.g. CrowdStrike) for abnormal child processes or privilege escalation attempts.

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