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. Required 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.
· high severity · unattributed attribution
Evidence and provenance
- Original source
- CISA KEV report ↗
- Published
- 2026-03-05T00:00:00Z
- Confidence basis
- No actor match
- Record ID
fe138c26522ba28c03fd
Vulnerabilities
CVE-2021-30952
Use and citation
Verify the original report before making operational decisions. Cite this permanent page together with the original source, publication date, confidence level, and review status.