TI-2022-20826 Aliases CVE-2022-42813 GHSA-3522-8qwx-4h39

Improper certificate validation in Apple macOS

MEDIUM 51CWE-295Published 2022-11-01 · Updated 2025-04-22

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Spoofing
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-295.

Summary

A certificate validation issue existed in the handling of WKWebView. This issue was addressed with improved validation. This issue is fixed in tvOS 16.1, iOS 16.1 and iPadOS 16, macOS Ventura 13, watchOS 9.1. Processing a maliciously crafted certificate may lead to arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01241 69th percentileScored 2026-11-07

Fix Fixed macOS (Apple): 13tvOS (Apple): 16.1+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
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	tvOS	before 16.1	16.1	Patch available	CNA
Apple	tvOS	before 16.1	16.1	Patch available	CNA
Apple	watchOS	before 9.1	9.1	Patch available	CNA

macOS VendorApple Affected before 13 Fixed in 13 Patch available CNA
tvOS VendorApple Affected before 16.1 Fixed in 16.1 Patch available CNA
tvOS VendorApple Affected before 16.1 Fixed in 16.1 Patch available CNA
watchOS VendorApple Affected before 9.1 Fixed in 9.1 Patch available CNA

CPE configurations NVD · 5

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:tvos::::::::	before 16.1	Vulnerable	Apple
cpe:2.3:o:apple:watchos::::::::	before 9.1	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
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 16.1 Vulnerable ·Apple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 9.1 Vulnerable ·Apple

Remediation

Fix · CNA macOS (Apple) Fixed in 13
Fix · CNA tvOS (Apple) Fixed in 16.1
Fix · CNA tvOS (Apple) Fixed in 16.1
Fix · CNA watchOS (Apple) Fixed in 9.1

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-2022-14458 Memory corruption in Apple macOSPriority MEDIUM 44
Show all 63 records →
Release · 2022-11-01
Apple watchOS 9.1
16 records Highest priority Priority MEDIUM 2 MEDIUM, 14 LOW
Other records, highest priority first
- TI-2022-20822 Out-of-bounds write in Apple macOSPriority MEDIUM 54
- TI-2022-20817 Protection mechanism failure in Apple macOSPriority LOW 37
- TI-2022-14470 Out-of-bounds write in Apple macOSPriority LOW 37
Show all 16 records →

Show 1 more group

Release · 2022-11-01
Apple tvOS 16.1
13 records Highest priority Priority MEDIUM 2 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2022-20822 Out-of-bounds write in Apple macOSPriority MEDIUM 54
- TI-2022-20817 Protection mechanism failure in Apple macOSPriority LOW 37
- TI-2022-14449 Code injection in Apple macOSPriority LOW 37
Show all 13 records →

Timeline

2026-10-02 Threatist record created from CVE-2022-42813
2026-10-03 Alias added: GHSA-3522-8qwx-4h39

References

Advisory 4

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