![]() ![]() WebKit is the browser engine that powers Safari on Macs as well as all browsers on iOS and iPadOS (browsers on iOS and iPadOS are obliged to use it). So, an attacker would have to trick a victim into visiting a malicious website or open such a page in one of the apps that use WebKit to render their pages. In some cases, this could allow attackers to execute arbitrary code on a vulnerable device. Type confusion can allow an attacker to feed function pointers or data into the wrong piece of code. a sequence of characters), if the program doesn't properly check that the input is actually a number and tries to perform arithmetic operations on it as if it were a number, it may produce unexpected results which could be abused by an attacker. So let's say you have a program that expects a number as input, but instead it receives a string (i.e. ![]() Type confusion vulnerabilities are programming flaws that happen when a piece of code doesn’t verify the type of object that is passed to it before using it. The actively exploited vulnerability is listed as CVE-2023-23529: a type confusion issue that Apple says has been addressed with improved checks. The Common Vulnerabilities and Exposures (CVE) database lists publicly disclosed computer security flaws. If a Safari update is available for your device, you can get it by updating or upgrading macOS, iOS, or iPadOS. The updates may already have reached you in your regular update routines, but it doesn't hurt to check if your device is at the latest update level. You can find the specific security content for the devices you’re interested in by following the links below: Most notably one of the updates fixes an actively exploited vulnerability in the WebKit component of iOS 15.7.4 and iPadOS 15.7.4 that was fixed earlier in macOS Ventura 13.2.1, iOS 16.3.1, iPadOS 16.3.1, and Safari 16.3. Apple has released security updates for several products.
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