TI-2019-04419 Aliases CVE-2019-6221 GHSA-8q99-37vx-7hjm

Out-of-bounds read in Apple iOS

LOW 36CWE-125Published 2019-03-05 · Updated 2024-08-04

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, iTunes 12.9.3 for Windows. A malicious application may be able to elevate privileges.

Why it matters now

EPSS 0.00938 61st percentileScored 2026-11-07

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

Vendor	Product	Affected versions	Fixed in	Status	Source
Apple	iOS	before iOS 12.1.3	iOS 12.1.3	Patch available	CNA
Apple	macOS	before macOS Mojave 10.14.3	macOS Mojave 10.14.3	Patch available	CNA
Apple	iTunes for Windows	before iTunes 12.9.3 for Windows	iTunes 12.9.3 for Windows	Patch available	CNA

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
iTunes for Windows VendorApple Affected before iTunes 12.9.3 for Windows Fixed in iTunes 12.9.3 for Windows Patch available CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:iphone_os::::::::	before 12.1.3	Vulnerable	Apple
cpe:2.3:o:apple:mac_os_x::::::::	before 10.14.3	Vulnerable	Apple
cpe:2.3:a:apple:itunes::::::::	before 12.9.3	Vulnerable	Apple
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

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:a:apple:itunes:*:*:*:*:*:*:*:* Versions before 12.9.3 Vulnerable ·Apple
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Fix · CNA iOS (Apple) Fixed in iOS 12.1.3
Fix · CNA macOS (Apple) Fixed in macOS Mojave 10.14.3
Fix · CNA iTunes for Windows (Apple) Fixed in iTunes 12.9.3 for Windows

Fixed in the same release

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

Release · 2019-03-05
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 · 2019-03-05
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

2026-10-02 Threatist record created from CVE-2019-6221
2026-10-03 Alias added: GHSA-8q99-37vx-7hjm

References

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