CVE-2021-30843
HIGH | Platform: tvOS | Changelog
CVE Details
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.
CVSS 3.1 Score
| Metric | Value |
|---|---|
| Base Score | 7.8 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References
- Apple Security Advisory
- NVD Entry
- 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)