Apple macOS Web Content memory corruption

Summaryinfo

A vulnerability was found in Apple macOS and classified as critical. The impacted element is an unknown function of the component Web Content Handler. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2025-24216. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple macOS (the affected version is unknown). This vulnerability affects an unknown code of the component Web Content Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

The issue was addressed with improved memory handling. This issue is fixed in visionOS 2.4, tvOS 18.4, iPadOS 17.7.6, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, Safari 18.4. Processing maliciously crafted web content may lead to an unexpected Safari crash.

The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2025-24216 since 01/17/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/10/2025).

The vulnerability scanner Nessus provides a plugin with the ID 234072 (AlmaLinux 9 : webkit2gtk3 (ALSA-2025:3713)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (234072). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Operating System

Vendor

• Apple

Name

• macOS

License

• commercial

Website

• Vendor: https://www.apple.com/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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