Vulnerability Description
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to a denial of service.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.4 |
| Apple | Iphone Os | < 14.4 |
| Apple | Mac Os X | >= 10.14, < 10.14.6 |
| Apple | Macos | >= 11.0, < 11.2 |
| Apple | Tvos | < 14.4 |
| Apple | Watchos | < 7.3 |
References
- https://support.apple.com/en-us/HT212146Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212147Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212148Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212149Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212146Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212147Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212148Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212149Release NotesVendor Advisory
FAQ
What is CVE-2021-1766?
CVE-2021-1766 is a vulnerability with a CVSS score of 5.5 (MEDIUM). This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadO...
How severe is CVE-2021-1766?
CVE-2021-1766 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-1766?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Tvos.