Apple visionOS Web memory corruption

Summaryinfo

A vulnerability has been found in Apple visionOS and classified as critical. Affected by this issue is some unknown functionality of the component Web Handler. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2025-31223. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple visionOS (the affected version unknown) and classified as critical. This issue affects an unknown part of the component Web Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The issue was addressed with improved checks. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to memory corruption.

It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2025-31223 since 03/27/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful 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 06/30/2026).

The vulnerability scanner Nessus provides a plugin with the ID 303067 (Linux Distros Unpatched Vulnerability : CVE-2025-31223), 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 (303067), EUVD (EUVD-2025-14642) and CERT Bund (WID-SEC-2026-0782). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• RESF Rocky Linux
• 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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