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TI-2023-21210 Aliases CVE-2023-40391GHSA-2wwc-c62q-7wrf

Apple iOS and iPadOS: An app may be able to disclose kernel memory

Priority LOW 25Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, macOS Sonoma 14, Xcode 15. An app may be able to disclose kernel memory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00323 25th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 17Xcode (Apple): 15+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 1717Patch availableCNA
AppleXcodebefore 1515Patch availableCNA
AppletvOSbefore 1717Patch availableCNA
ApplemacOSbefore 1414Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 17 Fixed in 17 Patch available CNA
  • Xcode VendorApple Affected before 15 Fixed in 15 Patch available CNA
  • tvOS VendorApple Affected before 17 Fixed in 17 Patch available CNA
  • macOS VendorApple Affected before 14 Fixed in 14 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*before 15.0VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 17.0VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 17.0VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 14.0VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 17.0VulnerableApple
  • cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:* Versions before 15.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 17.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 17.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 17.0 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 17
  • Fix · CNA Xcode (Apple) Fixed in 15
  • Fix · CNA tvOS (Apple) Fixed in 17
  • Fix · CNA macOS (Apple) Fixed in 14

Fixed in the same release

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

  • Release ·

    Apple macOS 14

    60 records Highest priority Priority MEDIUM 9 MEDIUM, 51 LOW

    Other records, highest priority first

    • TI-2023-21273 Apple macOS: A sandboxed process may be able to circumvent sandbox restrictionsPriority MEDIUM 52
    • TI-2023-21219 Apple iOS and iPadOS: A remote user may cause an unexpected app termination or arbitrary…Priority MEDIUM 52
    • TI-2023-19959 Apple macOS: A sandboxed process may be able to circumvent sandbox restrictionsPriority MEDIUM 52
    Show all 60 records →
  • Release ·

    Apple iOS and iPadOS 17

    48 records Highest priority Priority MEDIUM 5 MEDIUM, 43 LOW

    Other records, highest priority first

    • TI-2023-21219 Apple iOS and iPadOS: A remote user may cause an unexpected app termination or arbitrary…Priority MEDIUM 52
    • TI-2023-21698 Code injection in Apple iOS and iPadOSPriority MEDIUM 47
    • TI-2023-21266 Apple iOS and iPadOS: A remote attacker may be able to break out of Web Content sandboxPriority MEDIUM 47
    Show all 48 records →
Show 2 more groups
  • Release ·

    Apple tvOS 17

    34 records Highest priority Priority MEDIUM 4 MEDIUM, 30 LOW

    Other records, highest priority first

    • TI-2023-21219 Apple iOS and iPadOS: A remote user may cause an unexpected app termination or arbitrary…Priority MEDIUM 52
    • TI-2023-21698 Code injection in Apple iOS and iPadOSPriority MEDIUM 47
    • TI-2023-21266 Apple iOS and iPadOS: A remote attacker may be able to break out of Web Content sandboxPriority MEDIUM 47
    Show all 34 records →
  • Release ·

    Apple Xcode 15

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2023-15686 Apple iOS and iPadOS: An app may be able to gain elevated privilegesPriority LOW 36
    • TI-2023-21253 Apple Xcode: An app may be able to access App Store credentialsPriority LOW 24
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-40391
  2. 2026-10-03 Alias added: GHSA-2wwc-c62q-7wrf

References

Advisory 5

Other 3

  • 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