TI-2023-09349 Aliases CVE-2023-23516 GHSA-6xqg-hh2c-2329

Out-of-bounds write in Apple macOS

LOW 36CWE-787Published 2023-06-23 · Updated 2024-12-05

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 · NVD. 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 macOS Big Sur 11.7.3, macOS Ventura 13.2, macOS Monterey 12.6.3. An app may be able to execute arbitrary code with kernel privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00248 16th percentileScored 2026-11-07

Fix Fixed macOS (Apple): 11.7, 13.2, 12.6

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	macOS	before 13.2	13.2	Patch available	CNA
Apple	macOS	before 12.6	12.6	Patch available	CNA

macOS VendorApple Affected before 11.7 Fixed in 11.7 Patch available CNA
macOS VendorApple Affected before 13.2 Fixed in 13.2 Patch available CNA
macOS VendorApple Affected before 12.6 Fixed in 12.6 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:macos::::::::	11.0.0 to before 11.7.3; 12.0.0 to before 12.6.3; 13.0 to before 13.2	Vulnerable	Apple

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 11.0.0 to before 11.7.3; 12.0.0 to before 12.6.3; 13.0 to before 13.2 Vulnerable ·Apple

Remediation

Fix · CNA macOS (Apple) Fixed in 11.7
Fix · CNA macOS (Apple) Fixed in 13.2
Fix · CNA macOS (Apple) Fixed in 12.6

Fixed in the same release

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

Release · 2023-06-23
Apple macOS 12.6
32 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM, 28 LOW
Other records, highest priority first
- TI-2023-15721 Integer overflow in Apple macOSPriority CRITICAL 93
- TI-2023-15701 Use after free in Apple macOSPriority MEDIUM 52
- TI-2023-15677 Use after free in Apple macOSPriority MEDIUM 52
Show all 32 records →
Release · 2023-06-23
Apple macOS 11.7
28 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM, 24 LOW
Other records, highest priority first
- TI-2023-15721 Integer overflow in Apple macOSPriority CRITICAL 93
- TI-2023-15701 Use after free in Apple macOSPriority MEDIUM 52
- TI-2023-15677 Use after free in Apple macOSPriority MEDIUM 52
Show all 28 records →

Show 1 more group

Release · 2023-06-23
Apple macOS 13.2
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2023-09371 Buffer overflow in Apple macOSPriority LOW 36
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2023-23516
2026-10-03 Alias added: GHSA-6xqg-hh2c-2329

References

Advisory 3

TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
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

See all 3490 →

Sources

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