CVE detail
CVE-2021-30952: Apple Multiple Products Integer Overflow or Wraparound Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
Apple · Multiple Products
- Date added (KEV)
- Mar 05, 2026
- CISA due date
- Mar 26, 2026
- Ransomware campaign use
- Unknown
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.
Scorifya interpretation
AI-generatedA short, structured read of the record above, generated when this page first loads, then cached for a week.
Plain English
Technical detail
From CISA
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.
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
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now. Scorifya can't test for Apple directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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See Scorifya Controls →References
- https://support.apple.com/en-us/HT212975Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212976Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212978Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212980Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212982Release NotesVendor Advisory
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