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TI-2026-31897 Aliases CVE-2026-43808GHSA-v26x-mp6g-9xcj

Use after free in Apple iOS and iPadOS

Priority LOW 24CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00153 4th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 26.6macOS (Apple): 26.6+2 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 26.626.6Patch availableCNA
ApplemacOSbefore 26.626.6Patch availableCNA
AppletvOSbefore 26.626.6Patch availableCNA
ApplewatchOSbefore 26.626.6Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA
  • macOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA
  • tvOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA
  • watchOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 26.6VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 26.6VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 26.6VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 26.6VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 26.6VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 26.6
  • Fix · CNA macOS (Apple) Fixed in 26.6
  • Fix · CNA tvOS (Apple) Fixed in 26.6
  • Fix · CNA watchOS (Apple) Fixed in 26.6

Fixed in the same release

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

  • Release ·

    Apple macOS 26.6

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-46555 Buffer overflow in Apple iOS and iPadOSPriority LOW 35
    • TI-2026-31873 Race condition in Apple macOSPriority LOW 35
    • TI-2026-46552 Improper authorization in Apple iOS and iPadOSPriority LOW 24
    Show all 6 records →
  • Release ·

    Apple iOS and iPadOS 26.6

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-23120 Apple iOS and iPadOS: An app may be able to fingerprint the userPriority LOW 39
    • TI-2026-46555 Buffer overflow in Apple iOS and iPadOSPriority LOW 35
    • TI-2026-46552 Improper authorization in Apple iOS and iPadOSPriority LOW 24
    Show all 6 records →
Show 1 more group
  • Release ·

    Apple tvOS, watchOS 26.6

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-46555 Buffer overflow in Apple iOS and iPadOSPriority LOW 35
    • TI-2026-31794 Memory corruption in Apple iOS and iPadOSPriority LOW 35
    • TI-2026-46252 Race condition in Apple iOS and iPadOSPriority LOW 27
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-43808
  2. 2026-10-03 Alias added: GHSA-v26x-mp6g-9xcj

References

Advisory 4

  • 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