TI-2022-20851 Aliases CVE-2022-42841 GHSA-qhqr-ffv4-wv7f

Type confusion in Apple macOS

LOW 36CWE-843Published 2022-12-15 · Updated 2025-04-21

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 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-843 and the CVSS impact.

Summary

A type confusion issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2. Processing a maliciously crafted package may lead to arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0038 32nd percentileScored 2026-11-07

Fix Fixed macOS (Apple): 11.7, 13.1, 12.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
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	macOS	before 11.7	11.7	Patch available	CNA
Apple	macOS	before 13.1	13.1	Patch available	CNA
Apple	macOS	before 12.6	12.6	Patch available	CNA

macOS VendorApple Affected before 11.7 Fixed in 11.7 Patch available CNA
macOS VendorApple Affected before 13.1 Fixed in 13.1 Patch available CNA
macOS VendorApple Affected before 12.6 Fixed in 12.6 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:macos::::::::	11.0 to before 11.7.2; 12.0.0 to before 12.6.2	Vulnerable	Apple
cpe:2.3:o:apple:macos:13.0:::::::*	13.0	Vulnerable	Apple

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 11.0 to before 11.7.2; 12.0.0 to before 12.6.2 Vulnerable ·Apple
cpe:2.3:o:apple:macos:13.0:*:*:*:*:*:*:* Versions 13.0 Vulnerable ·Apple

Remediation

Fix · CNA macOS (Apple) Fixed in 11.7
Fix · CNA macOS (Apple) Fixed in 13.1
Fix · CNA macOS (Apple) Fixed in 12.6

Fixed in the same release

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

Release · 2022-12-15
Apple macOS 13.1
12 records Highest priority Priority MEDIUM 2 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2022-20847 Improper input validation in Apple macOSPriority MEDIUM 53
- TI-2022-20870 Improper access control in Apple macOSPriority MEDIUM 40
- TI-2022-23087 Out-of-bounds write in Apple macOSPriority LOW 36
Show all 12 records →
Release · 2022-12-15
Apple macOS 11.7
8 records Highest priority Priority MEDIUM 2 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2022-23079 Race condition in Apple macOSPriority MEDIUM 63
- TI-2022-20852 Out-of-bounds write in Apple macOSPriority MEDIUM 53
- TI-2022-20855 Out-of-bounds write in Apple macOSPriority LOW 37
Show all 8 records →

Show 1 more group

Release · 2022-12-15
Apple macOS 12.6
6 records Highest priority Priority MEDIUM 1 MEDIUM, 5 LOW
Other records, highest priority first
- TI-2022-20870 Improper access control in Apple macOSPriority MEDIUM 40
- TI-2022-20850 Out-of-bounds write in Apple macOSPriority LOW 36
- TI-2022-14465 Out-of-bounds read in Apple macOSPriority LOW 36
Show all 6 records →

Timeline

2026-10-02 Threatist record created from CVE-2022-42841
2026-10-03 Alias added: GHSA-qhqr-ffv4-wv7f

References

Advisory 6

TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
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

See all 3490 →

Sources

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