Security services, software licences and managed support from one accountable partner.

← All vulnerabilities

Not yet scored Actively exploited

CVE-2021-30952

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.

Recommended 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.

CISA remediation due date for U.S. federal agencies: 26 Mar 2026.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.