CVE-2020-27918

high

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.

References

Advisories
More

https://www.debian.org/security/2021/dsa-4877

https://security.gentoo.org/glsa/202104-03

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EQ3U3VBSOJB46WCO66TEWE5OAXLTU3YW/

http://www.openwall.com/lists/oss-security/2021/03/22/1

http://seclists.org/fulldisclosure/2020/Dec/32

https://support.apple.com/en-us/HT211935

https://support.apple.com/en-us/HT211934

https://support.apple.com/en-us/HT211933

https://support.apple.com/en-us/HT211931

https://support.apple.com/en-us/HT211930

https://support.apple.com/en-us/HT211929

https://support.apple.com/en-us/HT211928

Details

Source: Mitre, NVD

Published: 2020-12-08

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00094