Cloud Vulnerability DB
A community-led vulnerabilities database
Wiz Agents & Workflows are here
Vulnerability DatabaseCVE-2025-43457
CVE-2025-43457:
Apple Safari vulnerability analysis and mitigation
Overview
CVE-2025-43457 is a WebKit vulnerability discovered by Gary Kwong and Hossein Lotfi of Trend Micro Zero Day Initiative, affecting multiple Apple operating systems including iOS, iPadOS, macOS, watchOS, and visionOS. The vulnerability was disclosed and patched in November 2025 as part of Apple's security updates across their platforms (Apple Support).
Technical details
The vulnerability is a use-after-free issue in WebKit that could lead to unexpected Safari crashes when processing maliciously crafted web content. The issue was addressed with improved memory management in WebKit Bugzilla bug 297958 (Apple Support).
Impact
When exploited, this vulnerability could cause unexpected Safari crashes when processing maliciously crafted web content, potentially leading to denial of service conditions (Apple Support).
Mitigation and workarounds
Apple has addressed this vulnerability in iOS 26.1, iPadOS 26.1, macOS Tahoe 26.1, watchOS 26.1, and visionOS 26.1. Users should update their devices to these versions to receive the security fix (Apple Support).
Additional resources
Source: This report was generated using AI
Related Apple Safari vulnerabilities:
Free Vulnerability Assessment
Benchmark your Cloud Security Posture
Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.
Additional Wiz resources
Get a personalized demo
Ready to see Wiz in action?
"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management