CVE-2024-23259: 
macOS vulnerability analysis and mitigation

CVE-2024-23259 is a security vulnerability affecting Safari in Apple's operating systems that was disclosed and patched in March 2024. The vulnerability affects iOS 16.7.6 and iPadOS 16.7.6, iOS 17.4 and iPadOS 17.4, and macOS Sonoma 14.4. The issue was discovered by security researcher Lyra Rebane (rebane2001) and involves processing web content that may lead to a denial-of-service condition (Apple Support, NVD).

The vulnerability is related to Safari's web content processing functionality. The issue was addressed by Apple with improved checks to prevent denial-of-service conditions. The vulnerability has been assigned a CVSS v3.1 base score of 6.5 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H, indicating it is network accessible, requires low attack complexity, needs no privileges, requires user interaction, and can result in high availability impact (NVD).

When successfully exploited, the vulnerability can lead to a denial-of-service condition when processing web content in Safari. This could potentially affect the availability of the browser or system resources (Apple Support).

Apple has released security updates to address this vulnerability in iOS 16.7.6 and iPadOS 16.7.6, iOS 17.4 and iPadOS 17.4, and macOS Sonoma 14.4. Users are advised to update their devices to the latest available versions to receive the security fixes (Apple Support, Apple Support, Apple Support).