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TI-2023-15712 Aliases CVE-2023-32423GHSA-4f23-rq6h-3p55

Buffer overflow in Apple macOS

Priority LOW 30CWE-120Published · Updated

Key facts

Attack vector
Network
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

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing web content may disclose sensitive information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00794 56th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 13.4Safari (Apple): 16.5+3 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
ApplemacOSbefore 13.413.4Patch availableCNA
AppleSafaribefore 16.516.5Patch availableCNA
ApplewatchOSbefore 9.59.5Patch availableCNA
AppleiOS and iPadOSbefore 16.516.5Patch availableCNA
AppletvOSbefore 16.516.5Patch availableCNA
  • macOS VendorApple Affected before 13.4 Fixed in 13.4 Patch available CNA
  • Safari VendorApple Affected before 16.5 Fixed in 16.5 Patch available CNA
  • watchOS VendorApple Affected before 9.5 Fixed in 9.5 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 16.5 Fixed in 16.5 Patch available CNA
  • tvOS VendorApple Affected before 16.5 Fixed in 16.5 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 16.5VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 16.5VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 16.5VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*13.0 to before 13.4VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 16.5VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 9.5VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 16.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 13.0 to before 13.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 16.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 9.5 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 13.4
  • Fix · CNA Safari (Apple) Fixed in 16.5
  • Fix · CNA watchOS (Apple) Fixed in 9.5
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.5
  • Fix · CNA tvOS (Apple) Fixed in 16.5

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
  • 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 3 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-2023-15721 Integer overflow in Apple macOSPriority CRITICAL 93
  • Release ·

    Apple tvOS 16.5

    28 records Highest priority Priority CRITICAL 3 CRITICAL, 1 MEDIUM, 24 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
  • Release ·

    Apple Safari 16.5

    6 records Highest priority Priority CRITICAL 4 CRITICAL, 2 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

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-32423
  2. 2026-10-03 Alias added: GHSA-4f23-rq6h-3p55

References

  • 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