CVE-2021-30952
Apple Multiple Products Integer Overflow or Wraparound Vulnerability
Summary
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.
Affected software
Vendor: Apple · Product: Multiple Products
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Apple
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2021-30860 | Apple Multiple Products Integer Overflow Vulnerability | 76.0% | Yes |
| CVE-2021-30657 | Apple macOS Unspecified Vulnerability | 68.5% | Yes |
| CVE-2016-4657 | Apple iOS Webkit Memory Corruption Vulnerability | 66.8% | Yes |
| CVE-2025-43300 | Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability | 65.2% | Yes |
| CVE-2023-41064 | Apple iOS, iPadOS, and macOS ImageIO Buffer Overflow Vulnerability | 53.4% | Yes |
| CVE-2023-32434 | Apple Multiple Products Integer Overflow Vulnerability | 51.5% | Yes |
| CVE-2014-4404 | Apple OS X Heap-Based Buffer Overflow Vulnerability | 48.9% | Yes |
| CVE-2016-4655 | Apple iOS Information Disclosure Vulnerability | 33.4% | Yes |
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Get your free reportSources: CISA KEV catalog · NVD · FIRST EPSS
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