Vulnerability Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 26.1 |
| Apple | Ipados | < 26.1 |
| Apple | Iphone Os | < 26.1 |
| Apple | Visionos | < 26.1 |
| Apple | Watchos | < 26.1 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/125632
- https://support.apple.com/en-us/125633
- https://support.apple.com/en-us/125634
- https://support.apple.com/en-us/125638
- https://support.apple.com/en-us/125639
- https://support.apple.com/en-us/125640
FAQ
What is CVE-2025-43434?
CVE-2025-43434 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watch...
How severe is CVE-2025-43434?
CVE-2025-43434 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-43434?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Ipados, Apple Iphone Os, Apple Visionos, Apple Watchos.