TI-2022-20833 Aliases CVE-2022-42820 GHSA-q587-mj52-74r8

Out-of-bounds write in Apple macOS

LOW 36CWE-787Published 2022-11-01 · 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-787 and the CVSS impact.

Summary

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 16.1 and iPadOS 16, macOS Ventura 13. An app may cause unexpected app termination or arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00346 28th percentileScored 2026-11-07

Fix Fixed macOS (Apple): 13, 16.1

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 13	13	Patch available	CNA
Apple	macOS	before 16.1	16.1	Patch available	CNA

macOS VendorApple Affected before 13 Fixed in 13 Patch available CNA
macOS VendorApple Affected before 16.1 Fixed in 16.1 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:ipados::::::::	before 16.0	Vulnerable	Apple
cpe:2.3:o:apple:iphone_os::::::::	before 16.1	Vulnerable	Apple
cpe:2.3:o:apple:macos::::::::	before 13.0	Vulnerable	Apple

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.0 Vulnerable ·Apple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.1 Vulnerable ·Apple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 13.0 Vulnerable ·Apple

Remediation

Fix · CNA macOS (Apple) Fixed in 13
Fix · CNA macOS (Apple) Fixed in 16.1

Fixed in the same release

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

Release · 2022-11-01
Apple macOS 13
63 records Highest priority Priority MEDIUM 9 MEDIUM, 54 LOW
Other records, highest priority first
- TI-2022-20822 Out-of-bounds write in Apple macOSPriority MEDIUM 54
- TI-2022-14464 Buffer overflow in Apple macOSPriority MEDIUM 53
- TI-2022-20826 Improper certificate validation in Apple macOSPriority MEDIUM 51
Show all 63 records →
Release · 2022-11-01
Apple macOS 16.1
12 records Highest priority Priority MEDIUM 2 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2022-14464 Buffer overflow in Apple macOSPriority MEDIUM 53
- TI-2022-14447 Use after free in Apple macOSPriority MEDIUM 42
- TI-2022-14470 Out-of-bounds write in Apple macOSPriority LOW 37
Show all 12 records →

Timeline

2026-10-02 Threatist record created from CVE-2022-42820
2026-10-03 Alias added: GHSA-q587-mj52-74r8

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 2382 →

Sources

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