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High severity7.5NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026

CVE-2021-30698

CVE-2021-30698

Description

A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Safari 14.1.1, iOS 14.6 and iPadOS 14.6. A remote attacker may be able to cause a denial of service.

AI Insight

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

Affected products

10
  • Apple Inc./macOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.4
    • (no CPE)range: = 11.4
  • Apple Inc./iOS and iPadOScpe-rescue
    Range: unspecified
  • Apple Inc./Safari2 versions
    cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*range: <14.1.1
    • (no CPE)range: = 14.1.1
  • 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./iOSllm-fuzzy
    Range: = 14.6

Patches

Vulnerability mechanics

References

3

News mentions

0

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