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High severity7.8NVD Advisory· Published Aug 24, 2021· Updated Jun 17, 2026

CVE-2021-30919

CVE-2021-30919

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted PDF may lead to arbitrary code execution.

AI Insight

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

Affected products

26
  • Apple Inc./macOSv54 versions
    unspecified+ 3 more
    • (no CPE)range: unspecified
    • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.6.1
    • cpe:2.3:o:apple:macos:12.0:*:*:*:*:*:*:*
    • (no CPE)range: prior to 12.0.1, 11.6.1
  • Apple Inc./iOS and iPadOScpe-rescue
    Range: unspecified
  • Apple Inc./Ipados3 versions
    cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*range: <14.8.1
    • cpe:2.3:o:apple:ipados:15.0:*:*:*:*:*:*:*
    • (no CPE)range: prior to 15.1, 14.8.1
  • Apple Inc./Iphone OS2 versions
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*range: <14.8.1
    • cpe:2.3:o:apple:iphone_os:15.0:*:*:*:*:*:*:*
  • Apple Inc./Mac OS X10 versions
    cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*+ 9 more
    • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*range: <10.15.7
    • cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*
    • cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
  • Apple Inc./tvOS2 versions
    cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <15.1
    • (no CPE)range: prior to 15.1
  • Apple Inc./watchOS2 versions
    cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <8.1
    • (no CPE)range: prior to 8.1
  • Apple Inc./Security Update 2021-008 Catalinallm-fuzzy
    Range: prior to Security Update 2021-007
  • Apple Inc./iOSllm-fuzzy
    Range: prior to 15.1, 14.8.1

Patches

Vulnerability mechanics

References

8

News mentions

0

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