TI-2022-20876 Aliases CVE-2022-42867 GHSA-jhmj-whj3-74pr

Use after free in Apple tvOS

HIGH 66CWE-416Published 2022-12-15 · Updated 2025-04-21

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Partial Red Hat: 4 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 16.2 and iPadOS 16.2, watchOS 9.2. Processing maliciously crafted web content may lead to arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.34815 98th percentileScored 2026-11-07

Fix Partial tvOS (Apple): 16.2, 13.1watchOS (Apple): 9.2, 16.2Red Hat: 3 advisoriesRed Hat: 4 fixed, 2 without a fix

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	tvOS	before 16.2	16.2	Patch available	CNA
Apple	tvOS	before 13.1	13.1	Patch available	CNA
Apple	tvOS	before 16.2	16.2	Patch available	CNA
Apple	watchOS	before 9.2	9.2	Patch available	CNA
Apple	watchOS	before 16.2	16.2	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 16.2 Fixed in 16.2 Patch available CNA
watchOS VendorApple Affected before 9.2 Fixed in 9.2 Patch available CNA
watchOS VendorApple Affected before 16.2 Fixed in 16.2 Patch available CNA

CPE configurations NVD · 6

CPE	Versions	Role	Vendor
cpe:2.3:a:apple:safari::::::::	before 16.2	Vulnerable	Apple
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::::::::	before 13.1	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:a:apple:safari:*:*:*:*:*:*:*:* Versions before 16.2 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 before 13.1 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 tvOS (Apple) Fixed in 16.2
Fix · CNA tvOS (Apple) Fixed in 13.1
Fix · CNA tvOS (Apple) Fixed in 16.2
Fix · CNA watchOS (Apple) Fixed in 9.2
Fix · CNA watchOS (Apple) Fixed in 16.2

Red Hat 3 advisories

RHSA-2025:10364 Released 2025-07-07 · Red Hat rating Important
webkitgtk4 security update
- Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.48.3-2.el7_9, webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-jsc-2.48.3-2.el7_9 +1
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-doc-2.48.3-2.el7_9, webkitgtk4-jsc-devel-2.48.3-2.el7_9
RHSA-2023:2834 Released 2023-05-16 · Red Hat rating Important
webkit2gtk3 security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.38.5-1.el8, webkit2gtk3-devel-2.38.5-1.el8, webkit2gtk3-jsc-2.38.5-1.el8 +1
RHSA-2023:2256 Released 2023-05-09 · Red Hat rating Important
webkit2gtk3 security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.38.5-1.el9, webkit2gtk3-devel-2.38.5-1.el9, webkit2gtk3-jsc-2.38.5-1.el9 +1

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-2022-23079 Race condition in Apple macOSPriority MEDIUM 63
- TI-2022-20852 Out-of-bounds write in Apple macOSPriority MEDIUM 53
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-2022-23079 Race condition in Apple macOSPriority MEDIUM 63
- TI-2022-20852 Out-of-bounds write in Apple macOSPriority MEDIUM 53
- TI-2022-20847 Improper input validation in Apple macOSPriority MEDIUM 53
Show all 23 records →

Show 2 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-2022-23079 Race condition in Apple macOSPriority MEDIUM 63
- TI-2022-20852 Out-of-bounds write in Apple macOSPriority MEDIUM 53
Show all 22 records →
Release · 2022-12-15
Apple watchOS 16.2
9 records Highest priority Priority HIGH 1 HIGH, 5 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2022-23090 Out-of-bounds write in Apple tvOSPriority MEDIUM 43
- TI-2022-23089 Out-of-bounds write in Apple tvOSPriority MEDIUM 43
- TI-2022-23086 Out-of-bounds write in Apple tvOSPriority MEDIUM 43
Show all 9 records →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 6	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 7	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)	Fixed	RHSA-2023:2834
Red Hat Enterprise Linux AppStream (v. 9)	Fixed	RHSA-2023:2256
Red Hat Enterprise Linux Server (v. 7 ELS)	Fixed	RHSA-2025:10364
Red Hat Enterprise Linux Server Optional (v. 7 ELS)	Fixed	RHSA-2025:10364

Timeline

2026-10-02 Threatist record created from CVE-2022-42867
2026-10-03 Alias added: GHSA-jhmj-whj3-74pr

References

Advisory 11

Other 1

https://security.gentoo.org/glsa/202305-32

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