CVE-2025-43531
BaseFortify
Publication date: 2025-12-17
Last updated on: 2026-04-02
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | safari | to 26.2 (exc) |
| apple | ipados | to 18.7.3 (exc) |
| apple | iphone_os | to 18.7.3 (exc) |
| apple | iphone_os | From 26.0 (inc) to 26.2 (exc) |
| apple | macos | to 26.2 (exc) |
| apple | tvos | to 26.2 (exc) |
| apple | visionos | to 26.2 (exc) |
| apple | watchos | to 26.2 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-362 | The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a use-after-free flaw in WebKit that occurs when processing maliciously crafted web content. It leads to a race condition due to improper memory management, which Apple fixed by improving state handling and memory management. The flaw can cause unexpected process crashes or potentially allow arbitrary code execution. [1, 2]
How can this vulnerability impact me? :
If exploited, this vulnerability can cause unexpected process crashes or allow an attacker to execute arbitrary code on affected devices. This could lead to unauthorized actions or compromise of the device, especially since it has been used in highly sophisticated attacks targeting specific individuals. [1, 2]
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should update your Apple devices to the fixed versions: watchOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, and tvOS 26.2. Applying these updates will address the use-after-free flaw by improving memory management and prevent potential exploitation. [1, 2]