Vulnerability Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 18.6 |
| Apple | Ipados | < 18.6 |
| Apple | Iphone Os | < 18.6 |
| Apple | Macos | >= 15.0, < 15.6 |
| Apple | Tvos | < 18.6 |
| Apple | Visionos | < 2.6 |
| Apple | Watchos | < 11.6 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/124147Release NotesVendor Advisory
- https://support.apple.com/en-us/124149Release NotesVendor Advisory
- https://support.apple.com/en-us/124152Release NotesVendor Advisory
- https://support.apple.com/en-us/124153Release NotesVendor Advisory
- https://support.apple.com/en-us/124154Release NotesVendor Advisory
- https://support.apple.com/en-us/124155Release NotesVendor Advisory
- http://seclists.org/fulldisclosure/2025/Aug/0Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2025/Jul/30Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2025/Jul/32Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2025/Jul/36Mailing ListThird Party Advisory
- https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-cTechnical Description
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-US Government Resource
FAQ
What is CVE-2025-31277?
CVE-2025-31277 is a vulnerability with a CVSS score of 8.8 (HIGH). The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously c...
How severe is CVE-2025-31277?
CVE-2025-31277 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-31277?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos.