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TI-2019-04412 Aliases CVE-2019-6214GHSA-vcxj-m8fv-w3m4

Type confusion in Apple iOS

Priority MEDIUM 44CWE-843Published · Updated

Key facts

Attack vector
Local
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 3.0 · 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 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. A malicious application may be able to break out of its sandbox.

Why it matters now

EPSS 0.03641 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed iOS (Apple): iOS 12.1.3macOS (Apple): macOS Mojave 10.14.3+2 more products

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOSbefore iOS 12.1.3iOS 12.1.3Patch availableCNA
ApplemacOSbefore macOS Mojave 10.14.3macOS Mojave 10.14.3Patch availableCNA
AppletvOSbefore tvOS 12.1.2tvOS 12.1.2Patch availableCNA
ApplewatchOSbefore watchOS 5.1.3watchOS 5.1.3Patch availableCNA
  • iOS VendorApple Affected before iOS 12.1.3 Fixed in iOS 12.1.3 Patch available CNA
  • macOS VendorApple Affected before macOS Mojave 10.14.3 Fixed in macOS Mojave 10.14.3 Patch available CNA
  • tvOS VendorApple Affected before tvOS 12.1.2 Fixed in tvOS 12.1.2 Patch available CNA
  • watchOS VendorApple Affected before watchOS 5.1.3 Fixed in watchOS 5.1.3 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 12.1.3VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.14.3VulnerableApple
cpe:2.3:o:apple:tv_os:*:*:*:*:*:*:*:*before 12.1.2VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 5.1.3VulnerableApple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.1.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.14.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:tv_os:*:*:*:*:*:*:*:* Versions before 12.1.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 5.1.3 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in iOS 12.1.3
  • Fix · CNA macOS (Apple) Fixed in macOS Mojave 10.14.3
  • Fix · CNA tvOS (Apple) Fixed in tvOS 12.1.2
  • Fix · CNA watchOS (Apple) Fixed in watchOS 5.1.3

Fixed in the same release

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

  • Release ·

    Apple macOS macOS Mojave 10.14.3

    18 records Highest priority Priority CRITICAL 1 CRITICAL, 7 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2019-04421 A logic issue existed in the handling of Group FaceTime calls.Priority CRITICAL 92
    • TI-2019-04423 Out-of-bounds write in Apple iOSPriority MEDIUM 57
    • TI-2019-04422 Memory corruption in Apple iOSPriority MEDIUM 50
  • Release ·

    Apple iOS iOS 12.1.3

    18 records Highest priority Priority CRITICAL 1 CRITICAL, 7 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2019-04421 A logic issue existed in the handling of Group FaceTime calls.Priority CRITICAL 92
    • TI-2019-04423 Out-of-bounds write in Apple iOSPriority MEDIUM 57
    • TI-2019-04422 Memory corruption in Apple iOSPriority MEDIUM 50
Show 2 more groups
  • Release ·

    Apple tvOS tvOS 12.1.2

    11 records Highest priority Priority MEDIUM 6 MEDIUM, 5 LOW

    Other records, highest priority first

  • Release ·

    Apple watchOS watchOS 5.1.3

    9 records Highest priority Priority MEDIUM 3 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2019-04422 Memory corruption in Apple iOSPriority MEDIUM 50
    • TI-2019-04411 Memory corruption in Apple iOSPriority MEDIUM 42
    • TI-2019-04428 Apple iOS: A malicious application may be able to break out of its sandboxPriority LOW 39

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-6214
  2. 2026-10-03 Alias added: GHSA-vcxj-m8fv-w3m4

References

  • 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 4500 →

Sources