TI-2023-22953 Aliases CVE-2023-42869 GHSA-h7r8-cj58-wgqm

Out-of-bounds write in Apple macOS

LOW 33CWE-787Published 2024-01-10 · Updated 2025-06-20

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · 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

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Ventura 13.4, iOS 16.5 and iPadOS 16.5. Multiple issues in libxml2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00516 44th percentileScored 2026-11-07

Fix Fixed macOS (Apple): 13.4iOS and iPadOS (Apple): 16.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

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 13.4	13.4	Patch available	CNA
Apple	iOS and iPadOS	before 16.5	16.5	Patch available	CNA

macOS VendorApple Affected before 13.4 Fixed in 13.4 Patch available CNA
iOS and iPadOS VendorApple Affected before 16.5 Fixed in 16.5 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:ipados::::::::	before 16.5	Vulnerable	Apple
cpe:2.3:o:apple:iphone_os::::::::	before 16.5	Vulnerable	Apple
cpe:2.3:o:apple:macos::::::::	before 13.4	Vulnerable	Apple

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.5 Vulnerable ·Apple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.5 Vulnerable ·Apple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 13.4 Vulnerable ·Apple

Remediation

Fix · CNA macOS (Apple) Fixed in 13.4
Fix · CNA iOS and iPadOS (Apple) Fixed in 16.5

Fixed in the same release

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

Release · 2024-01-10
Apple macOS 13.4
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2023-15691 Buffer overflow in Apple macOSPriority LOW 36
- TI-2023-15673 Code injection in Apple macOSPriority LOW 36
Show all 3 records →

Timeline

2026-10-02 Threatist record created from CVE-2023-42869
2026-10-03 Alias added: GHSA-h7r8-cj58-wgqm

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