High severity7.8NVD Advisory· Published Dec 8, 2020· Updated Jun 17, 2026
CVE-2020-27927
CVE-2020-27927
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. Processing a maliciously crafted font file may lead to arbitrary code execution.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
14unspecified+ 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: <11.0.1
- (no CPE)range: = 11.0.1
- Range: unspecified
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
Patches
Vulnerability mechanics
References
5- 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
News mentions
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