TI-2023-12535 Aliases CVE-2023-27945 GHSA-5h8h-fq9x-xjw5

Out-of-bounds read in Apple macOS

LOW 28CWE-125Published 2023-05-08 · Updated 2025-01-29

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

This issue was addressed with improved entitlements. This issue is fixed in Xcode 14.3, macOS Big Sur 11.7.7, macOS Monterey 12.6.6. A sandboxed app may be able to collect system logs.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00245 15th percentileScored 2026-11-07

Fix Fixed macOS (Apple): 12.6, 11.7Xcode (Apple): 14.3

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 12.6	12.6	Patch available	CNA
Apple	Xcode	before 14.3	14.3	Patch available	CNA
Apple	macOS	before 11.7	11.7	Patch available	CNA

macOS VendorApple Affected before 12.6 Fixed in 12.6 Patch available CNA
Xcode VendorApple Affected before 14.3 Fixed in 14.3 Patch available CNA
macOS VendorApple Affected before 11.7 Fixed in 11.7 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:apple:xcode::::::::	before 14.3	Vulnerable	Apple

cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:* Versions before 14.3 Vulnerable ·Apple

Remediation

Fix · CNA macOS (Apple) Fixed in 12.6
Fix · CNA Xcode (Apple) Fixed in 14.3
Fix · CNA macOS (Apple) Fixed in 11.7

Fixed in the same release

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

Release · 2023-05-08
Apple macOS 12.6
32 records Highest priority Priority MEDIUM 5 MEDIUM, 27 LOW
Other records, highest priority first
- TI-2023-12543 Out-of-bounds write in Apple macOSPriority MEDIUM 52
- TI-2023-12548 Resource allocation without limits in Apple macOSPriority MEDIUM 49
- TI-2023-12525 Buffer overflow in Apple macOSPriority MEDIUM 44
Show all 32 records →
Release · 2023-05-08
Apple macOS 11.7
29 records Highest priority Priority MEDIUM 3 MEDIUM, 26 LOW
Other records, highest priority first
- TI-2023-12543 Out-of-bounds write in Apple macOSPriority MEDIUM 52
- TI-2023-12548 Resource allocation without limits in Apple macOSPriority MEDIUM 49
- TI-2023-12525 Buffer overflow in Apple macOSPriority MEDIUM 44
Show all 29 records →

Show 1 more group

Release · 2023-05-08
Apple Xcode 14.3
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2023-12557 Apple Xcode: An app may be able to execute arbitrary code out of its sandbox or with…Priority LOW 39
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2023-27945
2026-10-03 Alias added: GHSA-5h8h-fq9x-xjw5

References

Advisory 1

https://support.apple.com/en-us/HT213679

Other 2

TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
TI-2025-30709 Git allows arbitrary code execution through broken config quoting KEVCVSS 3.1HIGH 8.1
TI-2004-02557 distcc 2.x, as used in XCode 1.5 and others, when not configured to restrict access to… CVSS 2.0HIGH 9.3
TI-2014-07619 Git before 1.8.5.6, 1.9.x before 1.9.5, 2.0.x before 2.0.5, 2.1.x before 2.1.4, and 2.2.x… CVSS 3.1CRITICAL 9.8
TI-2021-04400 malicious repositories can execute remote code while cloning CVSS 3.1HIGH 8.0
TI-2016-00666 The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 allows remote attackers to… CVSS 3.1HIGH 7.5

See all 99 →

Sources

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