Apple macOS: An app may be able to cause a denial-of-service
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14. An app may be able to cause a denial-of-service.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.003 22nd percentileScored 2026-11-07
Fix Fixed macOS (Apple): 14
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
Remediation
- Fix · CNA macOS (Apple) Fixed in 14
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 14
60 records Highest priority Priority MEDIUM 9 MEDIUM, 51 LOW
Other records, highest priority first
- TI-2023-21273 Apple macOS: A sandboxed process may be able to circumvent sandbox restrictionsPriority MEDIUM 52
- TI-2023-21219 Apple iOS and iPadOS: A remote user may cause an unexpected app termination or arbitrary…Priority MEDIUM 52
- TI-2023-19959 Apple macOS: A sandboxed process may be able to circumvent sandbox restrictionsPriority MEDIUM 52
Timeline
- 2026-10-02 Threatist record created from CVE-2023-40422
- 2026-10-03 Alias added: GHSA-56q7-7qfv-m92r
References
More Apple Macos vulnerabilities
- 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
Sources
- CVE-2023-40422 · CVE Program
- CVE-2023-40422 · NVD
- FIRST EPSS
- GHSA-56q7-7qfv-m92r · GitHub Advisory Database · CC BY 4.0
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