CVE-2020-3911

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6.2, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. Multiple issues in libxml2.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.56% Top 20%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS
Affected: Apple macOS
Affected: Apple tvOS
Affected: Apple watchOS
Affected: Apple iTunes for Windows
Affected: Apple iCloud for Windows
Affected: Apple iCloud for Windows (Legacy)
Published at:
Updated at:

References

Link Tags
https://support.apple.com/HT211100 vendor advisory
https://support.apple.com/HT211102 vendor advisory
https://support.apple.com/HT211101 vendor advisory
https://support.apple.com/HT211103 vendor advisory
https://support.apple.com/HT211105 vendor advisory
https://support.apple.com/HT211106 vendor advisory
https://support.apple.com/HT211107 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3911?
CVE-2020-3911 has been scored as a critical severity vulnerability.
How to fix CVE-2020-3911?
To fix CVE-2020-3911, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3911 being actively exploited in the wild?
It is possible that CVE-2020-3911 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3911?
CVE-2020-3911 affects Apple iOS, Apple macOS, Apple tvOS, Apple watchOS, Apple iTunes for Windows, Apple iCloud for Windows, Apple iCloud for Windows (Legacy).
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