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Status published
Unknown
CVE-2023-40403
The issue was addressed with improved memory handling. This issue...
Vulnerability Description
The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.6, tvOS 17, iOS 16.7 and iPadOS 16.7, macOS Monterey 12.7, watchOS 10, iOS 17 and iPadOS 17, macOS Sonoma 14. Processing web content may disclose sensitive information.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-40403
Credits & Attribution
No credits recorded in the NVD database.
References
- https://support.apple.com/en-us/HT213938
- https://support.apple.com/en-us/HT213932
- https://support.apple.com/en-us/HT213927
- https://support.apple.com/en-us/HT213931
- https://support.apple.com/en-us/HT213936
- https://support.apple.com/en-us/HT213940
- https://support.apple.com/en-us/HT213937
- http://seclists.org/fulldisclosure/2023/Oct/5
- http://seclists.org/fulldisclosure/2023/Oct/10
- http://seclists.org/fulldisclosure/2023/Oct/6
- http://seclists.org/fulldisclosure/2023/Oct/8
- http://seclists.org/fulldisclosure/2023/Oct/9
- http://seclists.org/fulldisclosure/2023/Oct/3
- http://seclists.org/fulldisclosure/2023/Oct/4
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Affected Vendor
Apple
View all reports →Affected Software
iOS and iPadOS, macOS, tvOS, watchOS
Vulnerable Versions:
unspecified
Timeline
Official Publish:
September 26th, 2023
Last Modified:
November 4th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.