Google’s artificial intelligence system, called Big Sleep, has recently discovered five new security flaws in Apple’s WebKit engine. WebKit is the main technology that powers the Safari browser and several apps on Apple devices that display web content. These newly found flaws were serious and could be exploited by attackers if left unpatched. As soon as the issues were reported, Apple quickly took action and released security updates to protect users.
The vulnerabilities detected in WebKit had the potential to let malicious websites crash the browser or even execute harmful code on a user’s device. This means that visiting a specially crafted website could cause the browser to behave unexpectedly or allow attackers to gain limited control of the system. Such vulnerabilities are critical because they directly affect how safely users can browse the web. Thankfully, Apple confirmed that all these issues were successfully fixed in the latest round of updates.
Apple rolled out patches for these vulnerabilities across all its major operating systems. The fixes were included in iOS 26.1, iPadOS 26.1, macOS Tahoe 26.1, and Safari 26.1, as well as in other Apple platforms like tvOS, visionOS, and watchOS. These updates ensure that users are protected no matter which Apple device they use. Apple also advised everyone to update their systems immediately to stay safe from possible cyberattacks exploiting these flaws.
The five vulnerabilities identified by Big Sleep have been officially recorded under the following CVE identifiers: CVE-2025-43429, CVE-2025-43430, CVE-2025-43431, CVE-2025-43433, and CVE-2025-43434. Each CVE represents a specific security weakness in WebKit’s code that has now been patched by Apple. These CVE listings confirm the authenticity of the findings and provide technical references for cybersecurity professionals and researchers.
In simpler terms, these bugs were related to issues such as buffer overflow, memory corruption, and use-after-free errors. Such problems occur when the browser fails to handle certain data properly, leading to crashes or potential exploitation by hackers. If a user unknowingly visited a harmful website, it could have triggered one of these bugs and caused Safari to crash or run unwanted code. The new updates prevent that from happening and restore stability to the system.
Big Sleep is an advanced AI tool developed by Google’s security research team. It uses deep learning and automated reasoning to detect vulnerabilities that humans might miss. The fact that this AI found five separate flaws in Apple’s WebKit highlights how artificial intelligence can be a powerful ally in cybersecurity. Instead of waiting for incidents to occur, AI systems like Big Sleep can proactively find and report bugs before they are exploited.
These discoveries also show how interconnected today’s technology is. WebKit doesn’t just power Safari but also supports many Apple applications that display online content. Therefore, any security weakness in WebKit could affect millions of users worldwide. Apple’s fast response to Big Sleep’s findings demonstrates its commitment to maintaining strong security standards and addressing AI-reported vulnerabilities seriously.
In conclusion, Google’s Big Sleep AI has played a key role in improving Apple’s browser security by identifying and helping fix five major flaws in WebKit. Apple’s swift release of updates ensures that users remain protected from potential exploits. To stay safe, all Apple users are strongly advised to update their devices immediately. This collaboration between AI and human experts proves that artificial intelligence can greatly enhance digital safety and prevent future cyber threats.
Stay alert, and keep your security measures updated!
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