Vulnerability Description
A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in tvOS 14.3, iOS 14.3 and iPadOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.2. Processing a maliciously crafted font file may lead to arbitrary code execution.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipad Os | < 14.3 |
| Apple | Iphone Os | < 14.3 |
| Apple | Macos | < 11.1.0 |
| Apple | Tvos | < 14.3 |
| Apple | Watchos | < 7.2 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT212003Vendor Advisory
- https://support.apple.com/en-us/HT212005Vendor Advisory
- https://support.apple.com/en-us/HT212009Vendor Advisory
- https://support.apple.com/en-us/HT212011Vendor Advisory
- https://support.apple.com/en-us/HT212003Vendor Advisory
- https://support.apple.com/en-us/HT212005Vendor Advisory
- https://support.apple.com/en-us/HT212009Vendor Advisory
- https://support.apple.com/en-us/HT212011Vendor Advisory
FAQ
What is CVE-2020-27943?
CVE-2020-27943 is a vulnerability with a CVSS score of 7.8 (HIGH). A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in tvOS 14.3, iOS 14.3 and iPadOS 14.3, macOS Big Sur 11...
How severe is CVE-2020-27943?
CVE-2020-27943 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-2020-27943?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipad Os, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos.