CVEvulnerability
CVE-2021-30698
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-09-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-476
Description
A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Safari 14.1.1, iOS 14.6 and iPadOS 14.6. A remote attacker may be able to cause a denial of service.
Affected configurations
• apple safari (< 14.1.1)
• apple ipados (< 14.6)
• apple iphone os (< 14.6)
• apple macos (>= 11.0 < 11.4)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference 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/HT212534 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/HT212534 Vendor Advisory