Vulnerability Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. Processing a maliciously crafted font file may lead to arbitrary code execution.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.0. |
| Apple | Iphone Os | < 14.0 |
| Apple | Mac Os X | >= 10.14, < 10.14.6 |
| Apple | Macos | >= 11.0, < 11.1.0 |
| Apple | Tvos | < 14.0 |
| Apple | Watchos | < 7.0 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT211843Vendor Advisory
- https://support.apple.com/en-us/HT211844Vendor Advisory
- https://support.apple.com/en-us/HT211850Vendor Advisory
- https://support.apple.com/en-us/HT211931Vendor Advisory
- https://support.apple.com/en-us/HT212011Vendor Advisory
- https://support.apple.com/en-us/HT211843Vendor Advisory
- https://support.apple.com/en-us/HT211844Vendor Advisory
- https://support.apple.com/en-us/HT211850Vendor Advisory
- https://support.apple.com/en-us/HT211931Vendor Advisory
- https://support.apple.com/en-us/HT212011Vendor Advisory
FAQ
What is CVE-2020-9956?
CVE-2020-9956 is a vulnerability with a CVSS score of 7.8 (HIGH). An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-...
How severe is CVE-2020-9956?
CVE-2020-9956 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-9956?
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.