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TI-2023-12519 Aliases CVE-2023-27929GHSA-gpv4-3vx7-hr4h

Out-of-bounds read in Apple macOS

Priority LOW 24CWE-125Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, tvOS 16.4, iOS 16.4 and iPadOS 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 0.00247 16th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 13.3iOS and iPadOS (Apple): 16.4+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
  • 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

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 16.4VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 16.4VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*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 16.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 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

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
  • 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 2 more groups
  • 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
  • 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

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-27929
  2. 2026-10-03 Alias added: GHSA-gpv4-3vx7-hr4h

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