Tag Archives: Zero-Day Exploit

Browser zero day: Update your Firefox right now!

by John E Dunn, Naked Security

Just two days after releasing Firefox 72, Mozilla has issued an update to patch a critical zero-day flaw.

According to an advisory on Mozilla’s website, the issue identified as CVE-2019-17026 is a type confusion bug affecting Firefox’s IonMonkey JavaScript Just-in-Time (JIT) compiler.

Simply put, a JIT compiler takes JavaScript source code, as you’ll find in most web pages these days, and converts it to executable computer code, so that the JavaScript runs directly inside Firefox as if it were a built-in part of the app.

Continue reading Browser zero day: Update your Firefox right now!

New Google Chrome Security Alert: Update Your Browsers As ‘High Severity’ Zero-Day Exploit Confirmed

by Davey Winder, Forbes

It takes a lot to scare anyone on Halloween night, but Google Chrome engineers were spooked enough to issue an urgent update announcement for the browser across all platforms. So, what gave Google the heebie-jeebies? The answer is not one but two security vulnerabilities, one of which has a zero-day exploit out in the wild already. Continue reading New Google Chrome Security Alert: Update Your Browsers As ‘High Severity’ Zero-Day Exploit Confirmed