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TI-2024-18483 Aliases CVE-2024-27876GHSA-976w-rfcm-5cfg

Race condition in Apple iOS and iPadOS

Priority LOW 38CWE-362Published · Updated

Key facts

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

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

Summary

A race condition was addressed with improved locking. This issue is fixed in iOS 17.7 and iPadOS 17.7, iOS 18 and iPadOS 18, macOS Sequoia 15, macOS Sonoma 14.7, macOS Ventura 13.7, visionOS 2. Unpacking a maliciously crafted archive may allow an attacker to write arbitrary files.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00492 42nd percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 17.7, 18macOS (Apple): 13.7, 14.7, 15+1 more product

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
AppleiOS and iPadOSbefore 17.7; before 1817.7, 18Patch availableCNA
ApplemacOSbefore 13.7; before 14.7; before 1513.7, 14.7, 15Patch availableCNA
ApplevisionOSbefore 22Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 17.7; before 18 Fixed in 17.7, 18 Patch available CNA
  • macOS VendorApple Affected before 13.7; before 14.7; before 15 Fixed in 13.7, 14.7, 15 Patch available CNA
  • visionOS VendorApple Affected before 2 Fixed in 2 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 17.7VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 17.7VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*13.0 to before 13.7; 14.0 to before 14.7VulnerableApple
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*before 2.0VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 17.7 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 17.7 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 13.0 to before 13.7; 14.0 to before 14.7 Vulnerable ·Apple
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 2.0 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 17.7, 18
  • Fix · CNA macOS (Apple) Fixed in 13.7, 14.7, 15
  • Fix · CNA visionOS (Apple) Fixed in 2

Fixed in the same release

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

  • Release ·

    Apple macOS 13.7, 14.7, 15

    27 records Highest priority Priority LOW 27 LOW

    Other records, highest priority first

    • TI-2024-29736 Uncontrolled resource consumption in Apple iOS and iPadOSPriority LOW 38
    • TI-2024-29734 Path traversal in Apple iOS and iPadOSPriority LOW 38
    • TI-2024-29727 Uncontrolled resource consumption in Apple macOSPriority LOW 37
    Show all 27 records →
  • Release ·

    Apple visionOS 2

    14 records Highest priority Priority LOW 14 LOW

    Other records, highest priority first

    • TI-2024-29736 Uncontrolled resource consumption in Apple iOS and iPadOSPriority LOW 38
    • TI-2024-29734 Path traversal in Apple iOS and iPadOSPriority LOW 38
    • TI-2024-29742 Uncontrolled resource consumption in Apple iOS and iPadOSPriority LOW 36
    Show all 14 records →
Show 1 more group
  • Release ·

    Apple iOS and iPadOS 17.7, 18

    13 records Highest priority Priority MEDIUM 1 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2024-18486 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2024-29736 Uncontrolled resource consumption in Apple iOS and iPadOSPriority LOW 38
    • TI-2024-29742 Uncontrolled resource consumption in Apple iOS and iPadOSPriority LOW 36
    Show all 13 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-27876
  2. 2026-10-03 Alias added: GHSA-976w-rfcm-5cfg

References

Advisory 6

  • 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
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources

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