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TI-2021-11224 Aliases CVE-2021-30852

Type confusion in Apple iOS and iPadOS

Priority MEDIUM 41CWE-843Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-843 and the CVSS impact.

Summary

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary code execution.

Why it matters now

EPSS 0.01406 72nd percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 14.8, 15tvOS (Apple): 15+1 more product

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 14.814.8Patch availableCNA
AppleiOS and iPadOSbefore 1515Patch availableCNA
AppletvOSbefore 1515Patch availableCNA
ApplewatchOSbefore 88Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 14.8 Fixed in 14.8 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 15 Fixed in 15 Patch available CNA
  • tvOS VendorApple Affected before 15 Fixed in 15 Patch available CNA
  • watchOS VendorApple Affected before 8 Fixed in 8 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 14.8VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 14.8VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 12.0.1VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 15.0VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 8.0VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.8 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.8 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 12.0.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 15.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 8.0 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 14.8
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 15
  • Fix · CNA tvOS (Apple) Fixed in 15
  • Fix · CNA watchOS (Apple) Fixed in 8

Fixed in the same release

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

  • Release ·

    Apple iOS and iPadOS 15

    14 records Highest priority Priority MEDIUM 4 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2021-11223 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 43
    • TI-2021-11371 Type confusion in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2021-11226 Apple iOS and iPadOS: A sandboxed process may be able to circumvent sandbox restrictionsPriority MEDIUM 40
    Show all 14 records →
  • Release ·

    Apple iOS and iPadOS 14.8

    12 records Highest priority Priority CRITICAL 2 CRITICAL, 1 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2021-11267 Out-of-bounds write in Apple iOS and iPadOSPriority CRITICAL 93
    • TI-2021-11253 Out-of-bounds write in Apple iOS and iPadOSPriority CRITICAL 93
    • TI-2021-11286 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 37
    Show all 12 records →
Show 2 more groups
  • Release ·

    Apple watchOS 8

    8 records Highest priority Priority MEDIUM 4 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2021-11223 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 43
    • TI-2021-11292 Incorrect authorization in Apple macOSPriority MEDIUM 42
    • TI-2021-11226 Apple iOS and iPadOS: A sandboxed process may be able to circumvent sandbox restrictionsPriority MEDIUM 40
    Show all 8 records →
  • Release ·

    Apple tvOS 15

    6 records Highest priority Priority MEDIUM 3 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2021-11223 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 43
    • TI-2021-11226 Apple iOS and iPadOS: A sandboxed process may be able to circumvent sandbox restrictionsPriority MEDIUM 40
    • TI-2021-11295 Out-of-bounds write in Apple macOSPriority LOW 37
    Show all 6 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-30852

References

Other 6

  • 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