Read the docs
TI-2023-09347 Aliases CVE-2023-23513GHSA-2rvj-6xx4-893j

Buffer overflow in Apple macOS

Priority MEDIUM 52CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
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-120 and the CVSS impact.

Summary

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.7.3, macOS Ventura 13.2, macOS Monterey 12.6.3. Mounting a maliciously crafted Samba network share may lead to arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01567 75th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 11.7, 13.2, 12.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 11.711.7Patch availableCNA
ApplemacOSbefore 13.213.2Patch availableCNA
ApplemacOSbefore 12.612.6Patch availableCNA
  • macOS VendorApple Affected before 11.7 Fixed in 11.7 Patch available CNA
  • macOS VendorApple Affected before 13.2 Fixed in 13.2 Patch available CNA
  • macOS VendorApple Affected before 12.6 Fixed in 12.6 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 11.7.3; 12.0 to before 12.6.3; 13.0 to before 13.2VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 11.7.3; 12.0 to before 12.6.3; 13.0 to before 13.2 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 11.7
  • Fix · CNA macOS (Apple) Fixed in 13.2
  • Fix · CNA macOS (Apple) Fixed in 12.6

Fixed in the same release

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

  • Release ·

    Apple macOS 13.2

    28 records Highest priority Priority CRITICAL 1 CRITICAL, 6 MEDIUM, 21 LOW

    Other records, highest priority first

    • TI-2023-09361 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
    • TI-2023-09363 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 43
    • TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
  • Release ·

    Apple macOS 12.6

    19 records Highest priority Priority MEDIUM 4 MEDIUM, 15 LOW

    Other records, highest priority first

    • TI-2022-23108 Out-of-bounds write in Apple macOSPriority MEDIUM 51
    • TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2023-09350 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 42
Show 1 more group
  • Release ·

    Apple macOS 11.7

    14 records Highest priority Priority MEDIUM 4 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2022-23108 Out-of-bounds write in Apple macOSPriority MEDIUM 51
    • TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2023-09350 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 42

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-23513
  2. 2026-10-03 Alias added: GHSA-2rvj-6xx4-893j

References

  • TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
  • 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
See all 3490 →

Sources