CVEvulnerability
CVE-2021-30771
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-03-18
- 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
- Weaknesses
- CWE-787
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.
Affected configurations
• apple ipados (< 14.6)
• apple iphone os (< 14.6)
• apple macos (>= 11.0 < 11.4)
• apple tvos (< 14.6)
• apple watchos (< 7.5)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- 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
- 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