CVE-2020-27918
Apple Inc. · published 2020-12-08
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by Apple Inc. via the CVE Program.
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.
Status at the source
- NVD status: Modified
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| Apple | watchOS | unspecified – before 7.1: affected |
| Apple | iOS and iPadOS | unspecified – before 14.2: affected |
| Apple | tvOS | unspecified – before 14.2: affected |
| Apple | macOS | unspecified – before 11.0: affected |
| Apple | macOS | unspecified – before 12.11: affected |
| Apple | macOS | unspecified – before 14.0: affected |
| Apple | macOS | unspecified – before 11.5: affected |
| Apple | macOS | unspecified – before 11.5: affected |
Products named in NVD's CPE match criteria (11)
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 7.8 HIGH — as published by NIST (Primary)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0: 6.8 MEDIUM — as published by NIST (Primary)
AV:N/AC:M/Au:N/C:P/I:P/A:P
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- http://seclists.org/fulldisclosure/2020/Dec/32
- http://www.openwall.com/lists/oss-security/2021/03/22/1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EQ3U3VBSOJB46WCO66TEWE5OAXLTU3YW/
- 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/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
- https://security.gentoo.org/glsa/202104-03
- https://support.apple.com/en-us/HT211928
- https://support.apple.com/en-us/HT211929
- https://support.apple.com/en-us/HT211930
- https://support.apple.com/en-us/HT211931
- https://support.apple.com/en-us/HT211933
- https://support.apple.com/en-us/HT211934
- https://support.apple.com/en-us/HT211935
- https://www.debian.org/security/2021/dsa-4877
- http://seclists.org/fulldisclosure/2020/Dec/32
- http://www.openwall.com/lists/oss-security/2021/03/22/1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EQ3U3VBSOJB46WCO66TEWE5OAXLTU3YW/
- 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/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
- https://security.gentoo.org/glsa/202104-03
- https://support.apple.com/en-us/HT211928
- https://support.apple.com/en-us/HT211929
- https://support.apple.com/en-us/HT211930
- https://support.apple.com/en-us/HT211931
- https://support.apple.com/en-us/HT211933
- https://support.apple.com/en-us/HT211934
- https://support.apple.com/en-us/HT211935
- https://www.debian.org/security/2021/dsa-4877
Source dates: published 2020-12-08, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.
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