Description
This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HAffected software
| Vendor | Product | Versions |
|---|---|---|
| Apple | macOS | >= unspecified, < 11.6 |
| Apple | macOS | >= unspecified, < 2021 |
| Apple | macOS | >= unspecified, < 14.8 |
| Apple | macOS | >= unspecified, < 15 |
| Apple | macOS | >= unspecified, < 15 |
| Apple | macOS | >= unspecified, < 8 |
References
- http://seclists.org/fulldisclosure/2021/Oct/61Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/62Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/63Mailing List, Release Notes, Third Party Advisory
- https://support.apple.com/en-us/HT212804Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212805Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212807Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212814Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212815Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212819Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2021/Oct/61Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/62Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/63Mailing List, Release Notes, Third Party Advisory
- https://support.apple.com/en-us/HT212804Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212805Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212807Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212814Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212815Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212819Release Notes, Vendor Advisory
Timeline
- Published
- Oct 19, 2021
- Last modified
- Jun 17, 2026
- NVD status
- Modified