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TI-2021-11372 Aliases CVE-2021-31009

Apple iOS and iPadOS: Multiple issues in HDF5

Priority MEDIUM 44Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Multiple issues were addressed by removing HDF5. This issue is fixed in iOS 15.2 and iPadOS 15.2, macOS Monterey 12.1. Multiple issues in HDF5.

Why it matters now

EPSS 0.01199 68th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 15.2macOS (Apple): 12.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 15.215.2Patch availableCNA
ApplemacOSbefore 12.112.1Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 15.2 Fixed in 15.2 Patch available CNA
  • macOS VendorApple Affected before 12.1 Fixed in 12.1 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 15.2VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 15.2VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*12.0.0 to before 12.1VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 12.0.0 to before 12.1 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 15.2
  • Fix · CNA macOS (Apple) Fixed in 12.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple macOS 12.1

    40 records Highest priority Priority MEDIUM 6 MEDIUM, 34 LOW

    Other records, highest priority first

    • TI-2021-11304 Out-of-bounds write in Apple watchOSPriority MEDIUM 51
    • TI-2021-11341 Incorrect authorization in Apple macOSPriority MEDIUM 41
    • TI-2021-11306 Out-of-bounds read in Apple watchOSPriority MEDIUM 41
    Show all 40 records →
  • Release ·

    Apple iOS and iPadOS 15.2

    38 records Highest priority Priority CRITICAL 1 CRITICAL, 4 MEDIUM, 33 LOW

    Other records, highest priority first

    • TI-2021-11348 Buffer overflow in Apple iOS and iPadOSPriority CRITICAL 93
    • TI-2021-11304 Out-of-bounds write in Apple watchOSPriority MEDIUM 51
    • TI-2021-11306 Out-of-bounds read in Apple watchOSPriority MEDIUM 41
    Show all 38 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31009

References

Other 2

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences