Vulnerability Description
An integer overflow was addressed through improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbitrary code execution.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.7 |
| Apple | Iphone Os | < 14.7 |
| Apple | Mac Os X | 10.14 |
| Apple | Macos | >= 11.0, < 11.5 |
| Apple | Tvos | < 14.7 |
| Apple | Watchos | < 7.6 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT212600Vendor Advisory
- https://support.apple.com/en-us/HT212601Vendor Advisory
- https://support.apple.com/en-us/HT212602Vendor Advisory
- https://support.apple.com/en-us/HT212603Vendor Advisory
- https://support.apple.com/en-us/HT212604Vendor Advisory
- https://support.apple.com/en-us/HT212605Vendor Advisory
- https://support.apple.com/en-us/HT212600Vendor Advisory
- https://support.apple.com/en-us/HT212601Vendor Advisory
- https://support.apple.com/en-us/HT212602Vendor Advisory
- https://support.apple.com/en-us/HT212603Vendor Advisory
- https://support.apple.com/en-us/HT212604Vendor Advisory
- https://support.apple.com/en-us/HT212605Vendor Advisory
FAQ
What is CVE-2021-30760?
CVE-2021-30760 is a vulnerability with a CVSS score of 7.8 (HIGH). An integer overflow was addressed through improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-...
How severe is CVE-2021-30760?
CVE-2021-30760 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-30760?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Tvos.