Vulnerability Description
The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. Processing a maliciously crafted string may lead to heap corruption.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | >= 14.0, < 14.8 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/125110
- https://support.apple.com/en-us/125111Release NotesVendor Advisory
- https://support.apple.com/en-us/125112Release NotesVendor Advisory
- http://seclists.org/fulldisclosure/2025/Sep/53
- http://seclists.org/fulldisclosure/2025/Sep/54
- http://seclists.org/fulldisclosure/2025/Sep/55
FAQ
What is CVE-2025-43353?
CVE-2025-43353 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. Processing a maliciously crafted string may lead to heap corruption.
How severe is CVE-2025-43353?
CVE-2025-43353 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-43353?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos.