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

CVE-2020-9955

CVE-2020-9955

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0, macOS Big Sur 11.0.1. Processing a maliciously crafted image may lead to arbitrary code execution.

AI Insight

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

Affected products

14
  • Apple Inc./tvOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • (no CPE)range: = 14.0
    • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <14.0
  • Apple Inc./watchOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • (no CPE)range: = 7.0
    • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <7.0
  • Apple Inc./macOSv52 versions
    unspecified+ 1 more
    • (no CPE)range: unspecified
    • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.0.1
  • Apple Inc./Ipadosllm-fuzzy2 versions
    = 14.0+ 1 more
    • (no CPE)range: = 14.0
    • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.0
  • Apple Inc./iOSllm-fuzzy
    Range: = 14.0
  • Apple Inc./macOS Big Surllm-fuzzy
    Range: = 11.0.1
  • Apple Inc./Iphone OS
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
    Range: <14.0
  • Apple Inc./iOS and iPadOScpe-rescue
    Range: unspecified

Patches

Vulnerability mechanics

References

4

News mentions

0

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