Read the docs
TI-2023-12555 Aliases CVE-2023-27965GHSA-q4qx-hmmj-4gj8

Out-of-bounds write in Apple macOS

Priority LOW 36CWE-787Published · Updated

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 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Studio Display Firmware Update 16.4. 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 0.00256 17th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 13.3Studio Display Firmware Update (Apple): 16.4

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

VendorProductAffected versionsFixed inStatusSource
ApplemacOSbefore 13.313.3Patch availableCNA
AppleStudio Display Firmware Updatebefore 16.416.4Patch availableCNA
  • macOS VendorApple Affected before 13.3 Fixed in 13.3 Patch available CNA
  • Studio Display Firmware Update VendorApple Affected before 16.4 Fixed in 16.4 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*13.0 to before 13.3VulnerableApple
cpe:2.3:o:apple:studio_display_firmware:*:*:*:*:*:*:*:*before 16.4VulnerableApple
cpe:2.3:h:apple:studio_display:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 13.0 to before 13.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:studio_display_firmware:*:*:*:*:*:*:*:* Versions before 16.4 Vulnerable ·Apple
  • cpe:2.3:h:apple:studio_display:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 13.3
  • Fix · CNA Studio Display Firmware Update (Apple) Fixed in 16.4

Fixed in the same release

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

  • Release ·

    Apple macOS 13.3

    52 records Highest priority Priority MEDIUM 8 MEDIUM, 44 LOW

    Other records, highest priority first

    • TI-2023-12543 Out-of-bounds write in Apple macOSPriority MEDIUM 52
    • TI-2023-12765 Race condition in Apple macOSPriority MEDIUM 51
    • TI-2023-09358 Apple macOS: A file from an iCloud shared-by-me folder may be able to bypass GatekeeperPriority MEDIUM 50
    Show all 52 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-27965
  2. 2026-10-03 Alias added: GHSA-q4qx-hmmj-4gj8

References

Advisory 2

  • 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