Apple Safari JavaScriptCore FTL DataView byteLength Property Handling Type Confusion Remote Code Execution Vulnerability (CVE-2025-43541)

CVE number = CVE-2025-43541

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Apple Safari.

User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the handling of the DataView byteLength property.

By performing actions in JavaScript, an attacker can trigger a type confusion condition.

An attacker can leverage this vulnerability to execute code in the context of the current process.

Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/en-ca/125892