Vulnerability Description
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. Processing a maliciously crafted string may lead to heap corruption.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 13.3.1 |
| Apple | Iphone Os | < 13.3.1 |
| Apple | Mac Os X | < 10.15.3 |
| Apple | Tvos | < 13.3.1 |
| Apple | Watchos | < 6.1.2 |
Related Weaknesses (CWE)
References
- https://support.apple.com/HT210918Release NotesVendor Advisory
- https://support.apple.com/HT210919Release NotesVendor Advisory
- https://support.apple.com/HT210920Release NotesVendor Advisory
- https://support.apple.com/HT210921Release NotesVendor Advisory
- https://support.apple.com/HT210918Release NotesVendor Advisory
- https://support.apple.com/HT210919Release NotesVendor Advisory
- https://support.apple.com/HT210920Release NotesVendor Advisory
- https://support.apple.com/HT210921Release NotesVendor Advisory
FAQ
What is CVE-2020-3856?
CVE-2020-3856 is a vulnerability with a CVSS score of 7.8 (HIGH). A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. Processing a maliciousl...
How severe is CVE-2020-3856?
CVE-2020-3856 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-2020-3856?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Tvos, Apple Watchos.