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High severity7.8NVD Advisory· Published Apr 2, 2021· Updated Jun 17, 2026

CVE-2020-27943

CVE-2020-27943

Description

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in tvOS 14.3, iOS 14.3 and iPadOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.2. 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

14
  • Apple Inc./Ipados2 versions
    cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*range: <14.3
    • (no CPE)range: =14.3
  • Apple Inc./Iphone OS
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
    Range: <14.3
  • Apple Inc./macOS2 versions
    cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: <11.1.0
    • (no CPE)range: unspecified
  • Apple Inc./tvOS3 versions
    cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <14.3
    • (no CPE)range: =14.3
    • (no CPE)range: unspecified
  • Apple Inc./watchOS3 versions
    cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <7.2
    • (no CPE)range: =7.2
    • (no CPE)range: unspecified
  • Apple Inc./macOS Big Surllm-fuzzy
    Range: =11.1
  • Apple Inc./iOSllm-fuzzy
    Range: =14.3
  • Apple Inc./iOS and iPadOScpe-rescue
    Range: unspecified

Patches

Vulnerability mechanics

References

4

News mentions

0

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