Apple Safari Web Content use after free

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple Safari. This vulnerability affects unknown code of the component Web Content Handler. Performing a manipulation results in use after free. This vulnerability is known as CVE-2023-42950. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple Safari (affected version unknown). This affects an unknown functionality of the component Web Content Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 17.2, iOS 17.2 and iPadOS 17.2, tvOS 17.2, watchOS 10.2, macOS Sonoma 14.2. Processing maliciously crafted web content may lead to arbitrary code execution.

The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2023-42950 since 09/14/2023. 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 $5k-$25k at the moment (estimation calculated on 09/13/2025).

The vulnerability scanner Nessus provides a plugin with the ID 209058 (Azul Zulu Java Multiple Vulnerabilities (2024-10-15)), 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 (209058) and CERT Bund (WID-SEC-2024-3189). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• IBM VIOS
• IBM Java
• IBM AIX
• Debian Linux
• IBM WebSphere Service Registry and Repository
• IBM Tivoli Monitoring
• Amazon Linux 2
• IBM InfoSphere Information Server
• IBM DB2
• Open Source OpenJDK
• Red Hat Enterprise Linux
• IBM WebSphere Application Server
• Ubuntu Linux
• SUSE Linux
• IBM Tivoli Netcool/OMNIbus
• Oracle Linux
• Gentoo Linux
• IBM Spectrum Protect
• IBM MQ
• IBM Storwize
• IBM SAN Volume Controller
• IBM Power Hardware Management Console
• IBM Rational Business Developer
• NetApp ActiveIQ Unified Manager
• IBM FlashSystem
• SUSE openSUSE
• IBM Business Automation Workflow
• IBM InfoSphere Identity Insight
• Azul Zulu
• IBM TXSeries
• Oracle Java SE
• IBM QRadar SIEM
• Hitachi Command Suite
• Hitachi Ops Center
• Hitachi Configuration Manager
• Dell NetWorker
• IBM App Connect Enterprise
• IBM Sterling Connect:Direct
• Amazon Corretto
• IBM Storage Scale
• IBM Storage Scale System
• IBM SPSS
• HCL Commerce
• IBM Rational Build Forge
• IBM Tivoli Business Service Manager
• IBM Security Verify Access
• HCL BigFix

Productinfo

Type

• Web Browser

Vendor

• Apple

Name

• Safari

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

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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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