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Medium severity5.5NVD Advisory· Published Dec 8, 2020· Updated Jun 17, 2026

CVE-2020-9943

CVE-2020-9943

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0. A malicious application may be able to read restricted memory.

AI Insight

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

Affected products

28
  • 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
    • (no CPE)range: = 11.0.1
  • Apple Inc./iOSllm-fuzzy
    Range: = 14.0
  • 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./Iphone OS
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
    Range: <14.0
  • Apple Inc./Mac OS X15 versions
    cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*+ 14 more
    • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*range: <11.0.1
    • cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
  • Apple Inc./iOS and iPadOScpe-rescue
    Range: unspecified

Patches

Vulnerability mechanics

References

7

News mentions

0

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