Apple visionOS up to 18.4 Web memory corruption

Summaryinfo

A vulnerability identified as critical has been detected in Apple visionOS. The affected element is an unknown function of the component Web Handler. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2025-43272. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple visionOS. This affects some unknown functionality 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 confidentiality, integrity, and availability. The summary by CVE is:

The issue was addressed with improved memory handling. This issue is fixed in Safari 26, visionOS 26, watchOS 26, macOS Tahoe 26, iOS 26 and iPadOS 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.

The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2025-43272 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. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/25/2025).

The vulnerability scanner Nessus provides a plugin with the ID 265819 (Fedora 42 : webkitgtk (2025-fcc043d407)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 26.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (265819) and CERT Bund (WID-SEC-2025-2058). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• Apple Safari

Productinfo

Type

• Operating System

Vendor

• Apple

Name

• visionOS

Version

• 1
• 1.0
• 1.0.2
• 1.1
• 1.2
• 1.3
• 2
• 2.1
• 12.7
• 13.7
• 14.5
• 14.7
• 15
• 15.3
• 16.7
• 17.5
• 18
• 18.1
• 18.2
• 18.4

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

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CPE 2.2info

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Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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