Read the docs
TI-2025-27938 Aliases CVE-2025-43226GHSA-58v7-637x-cwc6

Out-of-bounds read in Apple iOS and iPadOS

Priority LOW 18CWE-125Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing a maliciously crafted image may result in disclosure of process memory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00246 15th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 18.6iPadOS (Apple): 17.7.9+4 more products

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
AppleiOS and iPadOSbefore 18.618.6Patch availableCNA
AppleiPadOSbefore 17.7.917.7.9Patch availableCNA
ApplemacOSbefore 14.7.7; before 15.614.7.7, 15.6Patch availableCNA
AppletvOSbefore 18.618.6Patch availableCNA
ApplevisionOSbefore 2.62.6Patch availableCNA
ApplewatchOSbefore 11.611.6Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 18.6 Fixed in 18.6 Patch available CNA
  • iPadOS VendorApple Affected before 17.7.9 Fixed in 17.7.9 Patch available CNA
  • macOS VendorApple Affected before 14.7.7; before 15.6 Fixed in 14.7.7, 15.6 Patch available CNA
  • tvOS VendorApple Affected before 18.6 Fixed in 18.6 Patch available CNA
  • visionOS VendorApple Affected before 2.6 Fixed in 2.6 Patch available CNA
  • watchOS VendorApple Affected before 11.6 Fixed in 11.6 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 17.7.9; 18.0 to before 18.6VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 18.6VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 14.7.7; 15.0 to before 15.6VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 18.6VulnerableApple
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*before 2.6VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 11.6VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 17.7.9; 18.0 to before 18.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 18.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 14.7.7; 15.0 to before 15.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 18.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 2.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 11.6 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 18.6
  • Fix · CNA iPadOS (Apple) Fixed in 17.7.9
  • Fix · CNA macOS (Apple) Fixed in 14.7.7, 15.6
  • Fix · CNA tvOS (Apple) Fixed in 18.6
  • Fix · CNA visionOS (Apple) Fixed in 2.6
  • Fix · CNA watchOS (Apple) Fixed in 11.6

Fixed in the same release

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

  • Release ·

    Apple iOS and iPadOS 18.6

    24 records Highest priority Priority CRITICAL 1 CRITICAL, 9 MEDIUM, 14 LOW

    Other records, highest priority first

    • TI-2025-22512 Memory corruption in Apple SafariPriority CRITICAL 97
    • TI-2025-27946 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2025-27921 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 51
  • Release ·

    Apple tvOS, visionOS 18.6, 2.6

    20 records Highest priority Priority CRITICAL 1 CRITICAL, 8 MEDIUM, 11 LOW

    Other records, highest priority first

    • TI-2025-22512 Memory corruption in Apple SafariPriority CRITICAL 97
    • TI-2025-27946 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2025-27921 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 51
Show 3 more groups
  • Release ·

    Apple watchOS 11.6

    17 records Highest priority Priority CRITICAL 1 CRITICAL, 7 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2025-22512 Memory corruption in Apple SafariPriority CRITICAL 97
    • TI-2025-27946 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2025-27921 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 51
  • Release ·

    Apple iPadOS 17.7.9

    14 records Highest priority Priority MEDIUM 7 MEDIUM, 7 LOW

    Other records, highest priority first

    • TI-2025-27932 Link following in Apple iPadOSPriority MEDIUM 51
    • TI-2025-27921 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2025-22514 Information disclosure in Apple iPadOSPriority MEDIUM 51
  • Release ·

    Apple macOS 14.7.7, 15.6

    9 records Highest priority Priority MEDIUM 4 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2025-27910 Improper access control in Apple macOSPriority MEDIUM 50
    • TI-2025-27904 Improper access control in Apple macOSPriority MEDIUM 50
    • TI-2025-27901 Information disclosure in Apple macOSPriority MEDIUM 50

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-43226
  2. 2026-10-03 Alias added: GHSA-58v7-637x-cwc6

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