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High severity7.8NVD Advisory· Published Oct 28, 2021· Updated Jun 17, 2026

CVE-2021-30840

CVE-2021-30840

Description

This issue was addressed with improved checks. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

AI Insight

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

Affected products

12
  • Apple Inc./tvOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • (no CPE)range: before 15
    • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <15.0
  • Apple Inc./watchOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • (no CPE)range: before 8
    • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <8.0
  • Apple Inc./iOS and iPadOScpe-rescue
    Range: unspecified
  • Apple Inc./iOSllm-fuzzy
    Range: before 15
  • Apple Inc./Ipadosllm-fuzzy2 versions
    before 15+ 1 more
    • (no CPE)range: before 15
    • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <15.0
  • Apple Inc./Iphone OS
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
    Range: <15.0
  • Apple Inc./macOS
    cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
    Range: <12.0.1

Patches

Vulnerability mechanics

References

4

News mentions

0

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