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TI-2025-27966 Aliases CVE-2025-43255GHSA-9cwg-pmj6-q7vp

Out-of-bounds read in Apple macOS

Priority LOW 15CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to cause unexpected system termination.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00211 11th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 13.7.7, 14.7.7, 15.6

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

VendorProductAffected versionsFixed inStatusSource
ApplemacOSbefore 13.7.7; before 14.7.7; before 15.613.7.7, 14.7.7, 15.6Patch availableCNA
  • macOS VendorApple Affected before 13.7.7; before 14.7.7; before 15.6 Fixed in 13.7.7, 14.7.7, 15.6 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*13.0 to before 13.7.7; 14.0 to before 14.7.7; 15.0 to before 15.6VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 13.0 to before 13.7.7; 14.0 to before 14.7.7; 15.0 to before 15.6 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 13.7.7, 14.7.7, 15.6

Fixed in the same release

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

  • Release ·

    Apple macOS 13.7.7, 14.7.7, 15.6

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2025-27899 Apple macOS: Running an hdiutil command may unexpectedly execute arbitrary codePriority LOW 36
    • TI-2025-27992 Out-of-bounds read in Apple macOSPriority LOW 24
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-43255
  2. 2026-10-03 Alias added: GHSA-9cwg-pmj6-q7vp

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