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TI-2024-18455 Aliases CVE-2024-27841GHSA-hw9f-66ch-w6pg

Improper access control in Apple iOS and iPadOS

Priority MEDIUM 49CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
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-284.

Summary

The issue was addressed with improved memory handling. This issue is fixed in iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5. An app may be able to disclose kernel memory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00441 38th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 17.5macOS (Apple): 14.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 17.517.5Patch availableCNA
ApplemacOSbefore 14.514.5Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 17.5 Fixed in 17.5 Patch available CNA
  • macOS VendorApple Affected before 14.5 Fixed in 14.5 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 17.5VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 17.5VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*14.0 to before 14.5VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 17.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 17.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 14.0 to before 14.5 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 17.5
  • Fix · CNA macOS (Apple) Fixed in 14.5

Fixed in the same release

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

  • Release ·

    Apple macOS 14.5

    13 records Highest priority Priority HIGH 3 HIGH, 6 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2024-18448 Pointer Authentication bypass in Apple Safari, iOS and macOSPriority HIGH 82
    • TI-2024-18456 Apple macOS: An app may be able to execute arbitrary code with kernel privilegesPriority HIGH 76
    • TI-2024-18436 Apple macOS: An app may be able to gain root privilegesPriority HIGH 69
  • Release ·

    Apple iOS and iPadOS 17.5

    9 records Highest priority Priority MEDIUM 4 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2024-18424 Path traversal in Apple iOS and iPadOSPriority MEDIUM 44
    • TI-2024-18435 Path traversal in Apple iOS and iPadOSPriority MEDIUM 43
    • TI-2024-18418 Resource allocation without limits in Apple iOS and iPadOSPriority MEDIUM 40

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-27841
  2. 2026-10-03 Alias added: GHSA-hw9f-66ch-w6pg

References

  • 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