Vulnerability Description
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 14.1.2 |
| Apple | Iphone Os | < 14.7 |
| Apple | Macos | < 11.5 |
| Apple | Tvos | < 14.7 |
| Apple | Watchos | < 7.6 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT212601Vendor Advisory
- https://support.apple.com/en-us/HT212602Vendor Advisory
- https://support.apple.com/en-us/HT212604Vendor Advisory
- https://support.apple.com/en-us/HT212605Vendor Advisory
- https://support.apple.com/en-us/HT212606Vendor Advisory
- https://support.apple.com/en-us/HT212601Vendor Advisory
- https://support.apple.com/en-us/HT212602Vendor Advisory
- https://support.apple.com/en-us/HT212604Vendor Advisory
- https://support.apple.com/en-us/HT212605Vendor Advisory
- https://support.apple.com/en-us/HT212606Vendor Advisory
FAQ
What is CVE-2021-30758?
CVE-2021-30758 is a vulnerability with a CVSS score of 8.8 (HIGH). A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web conten...
How severe is CVE-2021-30758?
CVE-2021-30758 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-30758?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos.