CVEvulnerability
CVE-2021-30843
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-10-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
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.
Affected configurations
• apple ipados (< 14.8)
• apple iphone os (< 14.8)
• apple mac os x (>= 10.15 <= 10.15.6)
• apple mac os x 10.15.7
• apple macos (>= 11.0 < 11.6)
• apple tvos (< 15.0)
• apple watchos (< 8.0)
References
- http://seclists.org/fulldisclosure/2021/Oct/61 Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/62 Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/63 Mailing List, Release Notes, Third Party Advisory
- https://support.apple.com/en-us/HT212804 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212805 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212807 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212814 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212815 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212819 Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2021/Oct/61 Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/62 Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/63 Mailing List, Release Notes, Third Party Advisory
- https://support.apple.com/en-us/HT212804 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212805 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212807 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212814 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212815 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212819 Release Notes, Vendor Advisory