Read the docs
TI-2023-15721 Aliases CVE-2023-32434GHSA-4pvh-jrgh-mpvj

Integer overflow in Apple macOS

Priority CRITICAL 93Exploited in the wildCWE-190Published · Updated

Key facts

Attack vector
Local
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-190 and the CVSS impact.

Summary

An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

Why it matters now

Exploitation Active In CISA KEV since 2023-06-23CISA due date 2023-07-14
EPSS 0.51517 98th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 12.6, 13.4, 11.7iOS and iPadOS (Apple): 15.7, 16.5+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
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
ApplemacOSbefore 12.612.6Patch availableCNA
AppleiOS and iPadOSbefore 15.715.7Patch availableCNA
AppleiOS and iPadOSbefore 16.516.5Patch availableCNA
ApplewatchOSbefore 8.88.8Patch availableCNA
ApplewatchOSbefore 9.59.5Patch availableCNA
ApplemacOSbefore 13.413.4Patch availableCNA
ApplemacOSbefore 11.711.7Patch availableCNA
  • macOS VendorApple Affected before 12.6 Fixed in 12.6 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 15.7 Fixed in 15.7 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 16.5 Fixed in 16.5 Patch available CNA
  • watchOS VendorApple Affected before 8.8 Fixed in 8.8 Patch available CNA
  • watchOS VendorApple Affected before 9.5 Fixed in 9.5 Patch available CNA
  • macOS VendorApple Affected before 13.4 Fixed in 13.4 Patch available CNA
  • macOS VendorApple Affected before 11.7 Fixed in 11.7 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 15.7.7; 16.0 to before 16.5.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 15.7.7; 16.0 to before 16.5.1VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*11.0 to before 11.7.8; 12.0.0 to before 12.6.7; 13.0 to before 13.4.1VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 8.8.1; 9.0 to before 9.5.2VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.7.7; 16.0 to before 16.5.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.7.7; 16.0 to before 16.5.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 11.0 to before 11.7.8; 12.0.0 to before 12.6.7; 13.0 to before 13.4.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 8.8.1; 9.0 to before 9.5.2 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 12.6
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 15.7
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.5
  • Fix · CNA watchOS (Apple) Fixed in 8.8
  • Fix · CNA watchOS (Apple) Fixed in 9.5
  • Fix · CNA macOS (Apple) Fixed in 13.4
  • Fix · CNA macOS (Apple) Fixed in 11.7

Fixed in the same release

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

  • Release ·

    Apple macOS 13.4

    53 records Highest priority Priority CRITICAL 5 CRITICAL, 3 MEDIUM, 45 LOW

    Other records, highest priority first

    • TI-2023-15726 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
    • TI-2023-15664 Use after free in Apple macOSPriority CRITICAL 97
    • TI-2023-15698 Apple macOS: A remote attacker may be able to break out of Web Content sandboxPriority CRITICAL 94
    Show all 53 records →
  • Release ·

    Apple iOS and iPadOS 16.5

    41 records Highest priority Priority CRITICAL 5 CRITICAL, 2 MEDIUM, 34 LOW

    Other records, highest priority first

    • TI-2023-15726 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
    • TI-2023-15664 Use after free in Apple macOSPriority CRITICAL 97
    • TI-2023-15698 Apple macOS: A remote attacker may be able to break out of Web Content sandboxPriority CRITICAL 94
    Show all 41 records →
Show 4 more groups
  • Release ·

    Apple watchOS 9.5

    33 records Highest priority Priority CRITICAL 4 CRITICAL, 1 MEDIUM, 28 LOW

    Other records, highest priority first

    • TI-2023-15664 Use after free in Apple macOSPriority CRITICAL 97
    • TI-2023-15698 Apple macOS: A remote attacker may be able to break out of Web Content sandboxPriority CRITICAL 94
    • TI-2023-12768 Out-of-bounds read in Apple macOSPriority CRITICAL 86
    Show all 33 records →
  • Release ·

    Apple macOS 12.6

    32 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM, 28 LOW

    Other records, highest priority first

    Show all 32 records →
  • Release ·

    Apple macOS 11.7

    28 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM, 24 LOW

    Other records, highest priority first

    Show all 28 records →
  • Release ·

    Apple iOS and iPadOS 15.7

    19 records Highest priority Priority CRITICAL 6 CRITICAL, 2 MEDIUM, 11 LOW

    Other records, highest priority first

    • TI-2023-15726 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
    • TI-2023-15722 Out-of-bounds write in Apple macOSPriority CRITICAL 97
    • TI-2023-15664 Use after free in Apple macOSPriority CRITICAL 97
    Show all 19 records →

Timeline

  1. 2023-06-23 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2023-32434
  3. 2026-10-03 Alias added: GHSA-4pvh-jrgh-mpvj

References

Advisory 9

  • 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