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Medium severity5.5NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026

CVE-2021-30753

CVE-2021-30753

Description

Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An out-of-bounds read was addressed with improved input validation.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

10
  • Apple Inc./Ipados2 versions
    cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.6
    • (no CPE)range: = 14.6
  • Apple Inc./Iphone OS
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
    Range: <14.6
  • Apple Inc./macOS3 versions
    cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0.1,<11.4
    • (no CPE)range: = 11.4
    • (no CPE)range: unspecified
  • Apple Inc./tvOS
    cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
    Range: <14.6
  • Apple Inc./watchOS
    cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
    Range: <7.5
  • Apple Inc./iOSllm-fuzzy
    Range: = 14.6
  • Apple Inc./iOS and iPadOScpe-rescue
    Range: unspecified

Patches

Vulnerability mechanics

References

4

News mentions

0

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