CVE-2021-30771
HIGH | Platform: tvOS | Changelog
CVE Details
Description
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, iOS 14.6 and iPadOS 14.6, watchOS 7.5, tvOS 14.6. Processing a maliciously crafted font 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 |
Weakness
References
- Apple Security Advisory
- NVD Entry
- https://support.apple.com/en-us/HT212528 (Vendor Advisory)
- https://support.apple.com/en-us/HT212529 (Vendor Advisory)
- https://support.apple.com/en-us/HT212532 (Vendor Advisory)
- https://support.apple.com/en-us/HT212533 (Vendor Advisory)