TI-2022-20855 Aliases CVE-2022-42845 GHSA-9cph-hcr9-fvgm

Out-of-bounds write in Apple macOS

LOW 37CWE-787Published 2022-12-15 · Updated 2025-04-21

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
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-787 and the CVSS impact.

Summary

The issue was addressed with improved memory handling. This issue is fixed in tvOS 16.2, macOS Monterey 12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 16.2 and iPadOS 16.2, watchOS 9.2. An app with root privileges may be able to execute arbitrary code with kernel privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01803 78th percentileScored 2026-11-07

Fix Fixed macOS (Apple): 11.7tvOS (Apple): 16.2, 13.1, 12.6+1 more product

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	tvOS	before 16.2	16.2	Patch available	CNA
Apple	tvOS	before 13.1	13.1	Patch available	CNA
Apple	tvOS	before 12.6	12.6	Patch available	CNA
Apple	tvOS	before 16.2	16.2	Patch available	CNA
Apple	watchOS	before 9.2	9.2	Patch available	CNA

macOS VendorApple Affected before 11.7 Fixed in 11.7 Patch available CNA
tvOS VendorApple Affected before 16.2 Fixed in 16.2 Patch available CNA
tvOS VendorApple Affected before 13.1 Fixed in 13.1 Patch available CNA
tvOS VendorApple Affected before 12.6 Fixed in 12.6 Patch available CNA
tvOS VendorApple Affected before 16.2 Fixed in 16.2 Patch available CNA
watchOS VendorApple Affected before 9.2 Fixed in 9.2 Patch available CNA

CPE configurations NVD · 6

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:ipados::::::::	before 16.2	Vulnerable	Apple
cpe:2.3:o:apple:iphone_os::::::::	before 16.2	Vulnerable	Apple
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:tvos::::::::	before 16.2	Vulnerable	Apple
cpe:2.3:o:apple:watchos::::::::	before 9.2	Vulnerable	Apple

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.2 Vulnerable ·Apple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.2 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
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 16.2 Vulnerable ·Apple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 9.2 Vulnerable ·Apple

Remediation

Fix · CNA macOS (Apple) Fixed in 11.7
Fix · CNA tvOS (Apple) Fixed in 16.2
Fix · CNA tvOS (Apple) Fixed in 13.1
Fix · CNA tvOS (Apple) Fixed in 12.6
Fix · CNA tvOS (Apple) Fixed in 16.2
Fix · CNA watchOS (Apple) Fixed in 9.2

Fixed in the same release

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

Release · 2022-12-15
Apple tvOS 16.2
26 records Highest priority Priority CRITICAL 1 CRITICAL, 1 HIGH, 7 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2022-20866 Type confusion in Apple tvOSPriority CRITICAL 97
- TI-2022-20876 Use after free in Apple tvOSPriority HIGH 66
- TI-2022-23079 Race condition in Apple macOSPriority MEDIUM 63
Show all 26 records →
Release · 2022-12-15
Apple watchOS 9.2
23 records Highest priority Priority HIGH 1 HIGH, 8 MEDIUM, 14 LOW
Other records, highest priority first
- TI-2022-20876 Use after free in Apple tvOSPriority HIGH 66
- TI-2022-23079 Race condition in Apple macOSPriority MEDIUM 63
- TI-2022-20852 Out-of-bounds write in Apple macOSPriority MEDIUM 53
Show all 23 records →

Show 3 more groups

Release · 2022-12-15
Apple tvOS 13.1
22 records Highest priority Priority CRITICAL 1 CRITICAL, 1 HIGH, 7 MEDIUM, 13 LOW
Other records, highest priority first
- TI-2022-20866 Type confusion in Apple tvOSPriority CRITICAL 97
- TI-2022-20876 Use after free in Apple tvOSPriority HIGH 66
- TI-2022-23079 Race condition in Apple macOSPriority MEDIUM 63
Show all 22 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-2022-20851 Type confusion in Apple macOSPriority LOW 36
Show all 8 records →
Release · 2022-12-15
Apple tvOS 12.6
5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 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-2022-20873 Race condition in Apple macOSPriority LOW 35
Show all 5 records →

Timeline

2026-10-02 Threatist record created from CVE-2022-42845
2026-10-03 Alias added: GHSA-9cph-hcr9-fvgm

References

Advisory 11

Other 1

20221220 APPLE-SA-2022-12-13-8 watchOS 9.2

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 2382 →

Sources

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