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TI-2026-23113 Aliases CVE-2026-28931GHSA-qc34-g3j9-jc55

Buffer overflow in Apple iOS and iPadOS

Priority MEDIUM 41CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
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-120 and the CVSS impact.

Summary

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. Connecting to a malicious NFS server may lead to kernel memory corruption.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00495 42nd 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
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 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:*:*:*:*:*:*:*:*26.0 to 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 26.0 to 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 tvOS 26.6

    66 records Highest priority Priority MEDIUM 27 MEDIUM, 39 LOW

    Other records, highest priority first

    • TI-2026-46261 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2026-46307 Apple iOS and iPadOS: An app may be able to cause unexpected system terminationPriority MEDIUM 50
    • TI-2026-46306 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 50
    Show all 66 records →
  • Release ·

    Apple watchOS 26.6

    64 records Highest priority Priority MEDIUM 23 MEDIUM, 41 LOW

    Other records, highest priority first

    • TI-2026-46261 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2026-46307 Apple iOS and iPadOS: An app may be able to cause unexpected system terminationPriority MEDIUM 50
    • TI-2026-46284 Use after free in Apple iOS and iPadOSPriority MEDIUM 50
    Show all 64 records →
Show 2 more groups
  • Release ·

    Apple macOS 26.6

    32 records Highest priority Priority MEDIUM 14 MEDIUM, 18 LOW

    Other records, highest priority first

    • TI-2026-46261 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2026-46284 Use after free in Apple iOS and iPadOSPriority MEDIUM 50
    • TI-2026-46281 Missing authorization in Apple iOS and iPadOSPriority MEDIUM 50
    Show all 32 records →
  • Release ·

    Apple iOS and iPadOS 26.6

    25 records Highest priority Priority MEDIUM 12 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2026-46307 Apple iOS and iPadOS: An app may be able to cause unexpected system terminationPriority MEDIUM 50
    • TI-2026-46284 Use after free in Apple iOS and iPadOSPriority MEDIUM 50
    • TI-2026-46268 Information disclosure in Apple iOS and iPadOSPriority MEDIUM 50
    Show all 25 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28931
  2. 2026-10-03 Alias added: GHSA-qc34-g3j9-jc55

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