Read the docs
TI-2023-12546 Aliases CVE-2023-27956GHSA-597f-j5wg-h28f

Buffer overflow in Apple macOS

Priority LOW 24CWE-120Published · 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 · CISA ADP. Fix status from CNA.

Summary

The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, iOS 15.7.4 and iPadOS 15.7.4, tvOS 16.4, watchOS 9.4. Processing a maliciously crafted image may result in disclosure of process memory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00242 15th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 13.3iOS and iPadOS (Apple): 16.4, 15.7+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
ApplemacOSbefore 13.313.3Patch availableCNA
AppleiOS and iPadOSbefore 16.416.4Patch availableCNA
ApplewatchOSbefore 9.49.4Patch availableCNA
AppletvOSbefore 16.416.4Patch availableCNA
AppleiOS and iPadOSbefore 15.715.7Patch availableCNA
  • macOS VendorApple Affected before 13.3 Fixed in 13.3 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 16.4 Fixed in 16.4 Patch available CNA
  • watchOS VendorApple Affected before 9.4 Fixed in 9.4 Patch available CNA
  • tvOS VendorApple Affected before 16.4 Fixed in 16.4 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 15.7 Fixed in 15.7 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 15.7.4; 16.0 to before 16.4VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 15.7.4; 16.0 to before 16.4VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*13.0 to before 13.3VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 16.4VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 9.4VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.7.4; 16.0 to before 16.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.7.4; 16.0 to before 16.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 13.0 to before 13.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 16.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 9.4 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 13.3
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.4
  • Fix · CNA watchOS (Apple) Fixed in 9.4
  • Fix · CNA tvOS (Apple) Fixed in 16.4
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 15.7

Fixed in the same release

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

  • Release ·

    Apple macOS 13.3

    52 records Highest priority Priority MEDIUM 8 MEDIUM, 44 LOW

    Other records, highest priority first

    • TI-2023-12543 Out-of-bounds write in Apple macOSPriority MEDIUM 52
    • TI-2023-12765 Race condition in Apple macOSPriority MEDIUM 51
    • TI-2023-09358 Apple macOS: A file from an iCloud shared-by-me folder may be able to bypass GatekeeperPriority MEDIUM 50
    Show all 52 records →
  • Release ·

    Apple iOS and iPadOS 16.4

    34 records Highest priority Priority MEDIUM 4 MEDIUM, 30 LOW

    Other records, highest priority first

    • TI-2023-12765 Race condition in Apple macOSPriority MEDIUM 51
    • TI-2023-09358 Apple macOS: A file from an iCloud shared-by-me folder may be able to bypass GatekeeperPriority MEDIUM 50
    • TI-2023-12553 Missing authorization in Apple macOSPriority MEDIUM 40
    Show all 34 records →
Show 3 more groups
  • Release ·

    Apple iOS and iPadOS 15.7

    21 records Highest priority Priority MEDIUM 3 MEDIUM, 18 LOW

    Other records, highest priority first

    • TI-2023-12765 Race condition in Apple macOSPriority MEDIUM 51
    • TI-2023-12553 Missing authorization in Apple macOSPriority MEDIUM 40
    • TI-2023-09364 Apple macOS: An app may be able to break out of its sandboxPriority MEDIUM 40
    Show all 21 records →
  • Release ·

    Apple watchOS 9.4

    19 records Highest priority Priority MEDIUM 1 MEDIUM, 18 LOW

    Other records, highest priority first

    • TI-2023-12553 Missing authorization in Apple macOSPriority MEDIUM 40
    • TI-2023-12750 Apple macOS: An app may be able to execute arbitrary code with kernel privilegesPriority LOW 36
    • TI-2023-12559 Use after free in Apple macOSPriority LOW 36
    Show all 19 records →
  • Release ·

    Apple tvOS 16.4

    19 records Highest priority Priority MEDIUM 2 MEDIUM, 17 LOW

    Other records, highest priority first

    • TI-2023-12765 Race condition in Apple macOSPriority MEDIUM 51
    • TI-2023-12553 Missing authorization in Apple macOSPriority MEDIUM 40
    • TI-2023-12750 Apple macOS: An app may be able to execute arbitrary code with kernel privilegesPriority LOW 36
    Show all 19 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-27956
  2. 2026-10-03 Alias added: GHSA-597f-j5wg-h28f

References

Advisory 5

  • 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