Apple tvOS Web memory corruption

Summaryinfo

A vulnerability was found in Apple tvOS. It has been rated as critical. This affects an unknown function of the component Web Handler. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2025-31257. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple tvOS (version unknown) and classified as critical. This issue affects an unknown function 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 availability. The summary by CVE is:

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

The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2025-31257 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. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 236932 (Fedora 41 : webkitgtk (2025-c40948de3a)), 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 (236932) and CERT Bund (WID-SEC-2025-2365). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• IBM MQ
• NetApp ActiveIQ Unified Manager
• IBM SPSS
• Hitachi Command Suite
• Hitachi Ops Center
• IBM TXSeries
• IBM Sterling Connect:Direct
• IBM DB2
• IBM Rational Application Developer for WebSphere Software
• Oracle Java SE
• Amazon Corretto
• IBM Java
• IBM Semeru Runtime
• IBM Tivoli Netcool/OMNIbus
• Dell NetWorker
• Open Source Camunda
• RealObjects PDFreactor
• IBM License Metric Tool
• IBM DataPower Gateway
• IBM Security Verify Access
• IBM Rational Software Architect
• IBM Cognos Analytics
• Debian Linux
• Amazon Linux 2
• IBM InfoSphere Information Server
• Open Source OpenJDK
• Red Hat Enterprise Linux
• IBM WebSphere Application Server
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• IBM Tivoli Monitoring
• IBM Integration Bus
• IBM Tivoli Network Manager
• IBM Tivoli Business Service Manager
• IBM Business Automation Workflow
• Hitachi Configuration Manager
• IBM QRadar SIEM
• IBM Rational Business Developer
• IBM Tivoli Key Lifecycle Manager
• SUSE openSUSE
• RESF Rocky Linux
• IBM App Connect Enterprise
• Xerox FreeFlow Print Server

Productinfo

Type

• Digital Media Player

Vendor

• Apple

Name

• tvOS

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

• 🔍

CPE 2.2info

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Entryinfo

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

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