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Medium severity6.5NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026

CVE-2021-30755

CVE-2021-30755

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. 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

7
  • Apple Inc./macOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • (no CPE)range: = 11.4
    • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.4
  • Apple Inc./tvOSllm-fuzzy2 versions
    = 14.6+ 1 more
    • (no CPE)range: = 14.6
    • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <14.6
  • Apple Inc./watchOSllm-fuzzy2 versions
    = 7.5+ 1 more
    • (no CPE)range: = 7.5
    • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <7.5

Patches

Vulnerability mechanics

References

3

News mentions

0

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