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TI-2019-04409 Aliases CVE-2019-6211GHSA-fw59-78fh-4mqg

Out-of-bounds write in Apple iOS

Priority MEDIUM 40CWE-787Published · 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 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Why it matters now

EPSS 0.01211 68th percentileScored 2026-11-07
Fix Fixed iOS (Apple): iOS 12.1.3macOS (Apple): macOS Mojave 10.14.3

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
  • 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

CPE configurations NVD · 2

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:iphone_os:*:*:*:*:*:*:*:* Versions before 12.1.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.14.3 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in iOS 12.1.3
  • Fix · CNA macOS (Apple) Fixed in macOS Mojave 10.14.3

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
    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-2019-04423 Out-of-bounds write in Apple iOSPriority MEDIUM 57
    • TI-2019-04422 Memory corruption in Apple iOSPriority MEDIUM 50
    Show all 18 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-6211
  2. 2026-10-03 Alias added: GHSA-fw59-78fh-4mqg

References

Advisory 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 4500 →

Sources

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