Use-After-Free Crash via Web Content in iOS+iPadOS (fixed in 18.7.2)
CVE-2025-43511 Published on December 12, 2025

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.

NVD

Vulnerability Analysis

CVE-2025-43511 can be exploited 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 high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

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-2025-43511 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2025-43511

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2025-43511 are published in these products:

 
 
 
 
 
 
 

Affected Versions

Apple Safari: Apple iOS and iPadOS: Apple visionOS: Apple iOS and iPadOS: Apple macOS: Apple watchOS:

Exploit Probability

EPSS
0.06%
Percentile
19.07%

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.