High severity7.8NVD Advisory· Published Dec 8, 2020· Updated Jun 17, 2026
CVE-2020-27917
CVE-2020-27917
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, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to code execution.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
18unspecified+ 2 more
- (no CPE)range: unspecified
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <7.1
- (no CPE)range: 7.1
unspecified+ 2 more
- (no CPE)range: unspecified
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <14.2
- (no CPE)range: 14.2
unspecified+ 2 more
- (no CPE)range: unspecified
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.0.1
- (no CPE)range: Big Sur 11.0.1
- Range: unspecified
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*+ 1 more
- cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*range: <12.11
- (no CPE)range: 12.11
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.2
- (no CPE)range: 14.2
- Range: 14.2
- Range: 11.5
Patches
Vulnerability mechanics
References
7- seclists.org/fulldisclosure/2020/Dec/32nvdMailing ListThird Party Advisory
- support.apple.com/en-us/HT211928nvdVendor Advisory
- support.apple.com/en-us/HT211929nvdVendor Advisory
- support.apple.com/en-us/HT211930nvdVendor Advisory
- support.apple.com/en-us/HT211931nvdVendor Advisory
- support.apple.com/en-us/HT211933nvdVendor Advisory
- support.apple.com/en-us/HT211935nvdVendor Advisory
News mentions
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