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CVE-2021-30698 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/HT212528 | CVE | Vendor Advisory |
| https://support.apple.com/en-us/HT212529 | CVE | Vendor Advisory |
| https://support.apple.com/en-us/HT212534 | CVE | Vendor Advisory |
| https://support.apple.com/en-us/HT212528 | [email protected] | Vendor Advisory |
| https://support.apple.com/en-us/HT212529 | [email protected] | Vendor Advisory |
| https://support.apple.com/en-us/HT212534 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-476 | NULL Pointer Dereference | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| apple safari | < 14.1.1 |
CPE
Remediation
| |
| apple ipados | < 14.6 |
CPE
Remediation
| |
| apple iphone os | < 14.6 |
CPE
Remediation
| |
| apple macos | >= 11.0, < 11.4 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Sep 17, 2021 | Initial Analysis | [email protected] |