CVEvulnerability
CVE-2021-30840
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-10-28
- 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 tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
Affected configurations
• 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/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
- https://support.apple.com/kb/HT212869 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
- https://support.apple.com/kb/HT212869 Vendor Advisory