TI-2019-04421 Aliases CVE-2019-6223 GHSA-fj6p-rwp3-vrrh

A logic issue existed in the handling of Group FaceTime calls.

CRITICAL 92Exploited in the wildPublished 2019-03-05 · Updated 2025-12-20

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

A logic issue existed in the handling of Group FaceTime calls. The issue was addressed with improved state management. This issue is fixed in iOS 12.1.4, macOS Mojave 10.14.3 Supplemental Update. The initiator of a Group FaceTime call may be able to cause the recipient to answer.

Why it matters now

Exploitation Active In CISA KEV since 2021-11-03CISA due date 2022-05-03

EPSS 0.02629 85th percentileScored 2026-11-07

Fix Fixed iOS (Apple): iOS 12.1.3macOS (Apple): macOS Mojave 10.14.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Active
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

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

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

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:iphone_os::::::::	before 12.1.4	Vulnerable	Apple
cpe:2.3:o:apple:mac_os_x::::::::	before 10.14.3	Vulnerable	Apple

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.1.4 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 · 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-2019-04423 Out-of-bounds write in Apple iOSPriority MEDIUM 57
- 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 · 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-2019-04423 Out-of-bounds write in Apple iOSPriority MEDIUM 57
- TI-2019-04422 Memory corruption in Apple iOSPriority MEDIUM 50
- TI-2019-04412 Type confusion in Apple iOSPriority MEDIUM 44
Show all 18 records →

Timeline

2021-11-03 Added to CISA KEV
2026-10-02 Threatist record created from CVE-2019-6223
2026-10-03 Alias added: GHSA-fj6p-rwp3-vrrh

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