Apple visionOS Web memory corruption

Summaryinfo

A vulnerability classified as critical has been found in Apple visionOS. This issue affects some unknown processing of the component Web Handler. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2025-43212. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple visionOS (version now known). This affects some unknown processing of the component Web Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, iOS 18.6 and iPadOS 18.6, tvOS 18.6, watchOS 11.6, visionOS 2.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2025-43212 since 04/16/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/26/2025).

The vulnerability scanner Nessus provides a plugin with the ID 245574 (Fedora 42 : webkitgtk (2025-61ca72f430)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (245574) and CERT Bund (WID-SEC-2025-1703). Be aware that VulDB is the high quality source for vulnerability data.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Fedora Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• IGEL OS
• Open Source WebKitGTK

Productinfo

Type

• Operating System

Vendor

• Apple

Name

• visionOS

License

• commercial

Website

• Vendor: https://www.apple.com/

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CPE 2.2info

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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