Apple has released its first public Background Security Improvement update for iPhone, iPad and MacBook. The update is designed to deliver smaller security fixes in the background without requiring a full software update, focusing on improving system safety. The iPhone maker is said to have rolled out two separate macOS updates, likely because its newer MacBook Neo operates on a slightly different macOS version than other Macs. The new security update addresses a vulnerability in WebKit, the browser engine used by Safari and other apps.
The issue could allow maliciously crafted web content to bypass the Same Origin Policy, a security feature that normally prevents websites from accessing data across different domains. Apple said the problem was linked to a cross-origin issue in the Navigation API and has now been fixed with improved input validation.
Background Security Improvements are a new type of update from Apple that focuses on delivering smaller, targeted security patches. Instead of waiting for major software updates, Apple can push fixes for key components like the Safari browser, WebKit framework and other system libraries more frequently. Before this public release, Apple had already tested the system with sample updates. This new system allows Apple to respond faster to security issues without requiring users to install an entirely new OS build.
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