Use-After-Free in Apple Safari 26.2 causing crashes
CVE-2025-43536 Published on December 17, 2025
A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Tahoe 26.2, iOS 26.2 and iPadOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3. Processing maliciously crafted web content may lead to an unexpected process crash.
Vulnerability Analysis
CVE-2025-43536 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2025-43536 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2025-43536
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2025-43536 are published in these products:
Affected Versions
Apple iOS and iPadOS:- Version unspecified and below 18.7 is affected.
- Version unspecified and below 26.2 is affected.
- Version unspecified and below 26.2 is affected.
- Version unspecified and below 26.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.