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TI-2024-18485 Aliases CVE-2024-27878GHSA-fpm2-gfqf-g25v

Buffer overflow in Apple macOS

Priority HIGH 65CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
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-120 and the CVSS impact.

Summary

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.6. An app may be able to execute arbitrary code with kernel privileges.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00328 26th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 14.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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 14.614.6Patch availableCNA
  • macOS VendorApple Affected before 14.6 Fixed in 14.6 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*14.0 to before 14.6VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 14.0 to before 14.6 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 14.6

Fixed in the same release

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

  • Release ·

    Apple macOS 14.6

    22 records Highest priority Priority HIGH 1 HIGH, 2 MEDIUM, 19 LOW

    Other records, highest priority first

    • TI-2024-27164 Use after free in Apple SafariPriority MEDIUM 51
    • TI-2024-27215 Information disclosure in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2024-27192 Apple macOS: An app may be able to modify protected parts of the file systemPriority LOW 38

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-27878
  2. 2026-10-03 Alias added: GHSA-fpm2-gfqf-g25v

References

  • 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