CVE-2020-27918

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org 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 watchOS
Affected: Apple iOS and iPadOS
Affected: Apple tvOS
Affected: Apple macOS
Affected: Apple macOS
Affected: Apple macOS
Affected: Apple macOS
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT211931 vendor advisory
https://support.apple.com/en-us/HT211935 vendor advisory
https://support.apple.com/en-us/HT211934 vendor advisory
https://support.apple.com/en-us/HT211928 vendor advisory
https://support.apple.com/en-us/HT211929 vendor advisory
https://support.apple.com/en-us/HT211930 vendor advisory
https://support.apple.com/en-us/HT211933 vendor advisory
http://seclists.org/fulldisclosure/2020/Dec/32 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2021/03/22/1 third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EQ3U3VBSOJB46WCO66TEWE5OAXLTU3YW/ vendor advisory
https://www.debian.org/security/2021/dsa-4877 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/ vendor advisory
https://security.gentoo.org/glsa/202104-03 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-27918?
CVE-2020-27918 has been scored as a high severity vulnerability.
How to fix CVE-2020-27918?
To fix CVE-2020-27918, 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-2020-27918 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-27918 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-27918?
CVE-2020-27918 affects Apple watchOS, Apple iOS and iPadOS, Apple tvOS, Apple macOS, Apple macOS, Apple macOS, Apple macOS, Apple macOS.
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