Vulnerability Description
This issue was addressed with improved checks. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 15.0 |
| Apple | Iphone Os | < 15.0 |
| Apple | Macos | < 12.0.1 |
| Apple | Tvos | < 15.0 |
| Apple | Watchos | < 8.0 |
References
- https://support.apple.com/en-us/HT212814Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212815Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212819Release NotesVendor Advisory
- https://support.apple.com/kb/HT212869Vendor Advisory
- https://support.apple.com/en-us/HT212814Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212815Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212819Release NotesVendor Advisory
- https://support.apple.com/kb/HT212869Vendor Advisory
FAQ
What is CVE-2021-30840?
CVE-2021-30840 is a vulnerability with a CVSS score of 7.8 (HIGH). This issue was addressed with improved checks. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
How severe is CVE-2021-30840?
CVE-2021-30840 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-2021-30840?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos.