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TI-2019-04423 Aliases CVE-2019-6225GHSA-8mrj-hp45-r838

Out-of-bounds write in Apple iOS

Priority MEDIUM 57CWE-787Published · 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-787 and the CVSS impact.

Summary

A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may be able to elevate privileges.

Why it matters now

EPSS 0.28757 98th 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+1 more product

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
  • 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

CPE configurations NVD · 3

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:tvos:*:*:*:*:*:*:*:*before 12.1.2VulnerableApple
  • 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:tvos:*:*:*:*:*:*:*:* Versions before 12.1.2 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

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-2019-04422 Memory corruption in Apple iOSPriority MEDIUM 50
    • TI-2019-04412 Type confusion in Apple iOSPriority MEDIUM 44
    Show all 18 records →
  • 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-2019-04422 Memory corruption in Apple iOSPriority MEDIUM 50
    • TI-2019-04412 Type confusion in Apple iOSPriority MEDIUM 44
    Show all 18 records →
Show 1 more group
  • Release ·

    Apple tvOS tvOS 12.1.2

    11 records Highest priority Priority MEDIUM 6 MEDIUM, 5 LOW

    Other records, highest priority first

    Show all 11 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-6225
  2. 2026-10-03 Alias added: GHSA-8mrj-hp45-r838

References

Exploit 1

Advisory 3

  • 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

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