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TI-2026-31834 Aliases CVE-2026-43743GHSA-q3vp-fjcp-c43f

Race condition in Apple iOS and iPadOS

Priority LOW 20CWE-362Published · Updated

Key facts

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

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

Summary

A race condition was addressed with improved state handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, macOS Tahoe 26.7, 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 0.00106 1st percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 26.5.2, 26.7macOS (Apple): 26.5.2, 26.7+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 26.5.2; before 26.726.5.2, 26.7Patch availableCNA
ApplemacOSbefore 26.5.2; before 26.726.5.2, 26.7Patch availableCNA
AppletvOSbefore 26.626.6Patch availableCNA
ApplewatchOSbefore 26.626.6Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 26.5.2; before 26.7 Fixed in 26.5.2, 26.7 Patch available CNA
  • macOS VendorApple Affected before 26.5.2; before 26.7 Fixed in 26.5.2, 26.7 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 · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 26.5.2VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 26.5.2VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*26.0 to before 26.5.2VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 26.5.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 26.5.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 26.0 to before 26.5.2 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 26.5.2, 26.7
  • Fix · CNA macOS (Apple) Fixed in 26.5.2, 26.7
  • 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 watchOS 26.6

    34 records Highest priority Priority MEDIUM 4 MEDIUM, 30 LOW

    Other records, highest priority first

    • TI-2026-28748 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 46
    • TI-2026-31807 Use after free in Apple SafariPriority MEDIUM 43
    • TI-2026-31823 Use after free in Apple SafariPriority MEDIUM 40
    Show all 34 records →
  • Release ·

    Apple tvOS 26.6

    32 records Highest priority Priority MEDIUM 4 MEDIUM, 28 LOW

    Other records, highest priority first

    • TI-2026-28748 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 46
    • TI-2026-31807 Use after free in Apple SafariPriority MEDIUM 43
    • TI-2026-31823 Use after free in Apple SafariPriority MEDIUM 40
    Show all 32 records →
Show 1 more group
  • Release ·

    Apple iOS and iPadOS 26.5.2, 26.7

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-43743
  2. 2026-10-03 Alias added: GHSA-q3vp-fjcp-c43f

References

Advisory 2

Other 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