CVEvulnerability
CVE-2021-1820
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-09-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-665
Description
A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.
Affected configurations
• apple ipados (< 14.5)
• apple iphone os (< 14.5)
• apple macos (>= 11.0 < 11.3)
• apple tvos (< 14.5)
• apple watchos (< 7.4)
Related
Weakness · CWE (1)
- CWE-665 Improper Initialization weakness
References
- https://support.apple.com/en-us/HT212317 Vendor Advisory
- https://support.apple.com/en-us/HT212323 Vendor Advisory
- https://support.apple.com/en-us/HT212324 Vendor Advisory
- https://support.apple.com/en-us/HT212325 Vendor Advisory
- https://support.apple.com/en-us/HT212317 Vendor Advisory
- https://support.apple.com/en-us/HT212323 Vendor Advisory
- https://support.apple.com/en-us/HT212324 Vendor Advisory
- https://support.apple.com/en-us/HT212325 Vendor Advisory