Intriguingly, CVE-2022-0609 was only one of five use-after-free coding bugs fixed in this update.Ī use-after-free bug happens when one part of a program requests a block of memory to be reserved for its own exclusive access, uses that memory for a while, then relinquishes its claim on that memory block… Loosely put, the zero part of the jargon reminds you that there were zero days during which you could have been patched proactively, no matter how hard you tried, because the attackers got there first.Īnnoyingly, but perhaps understandingly, both Apple and Adobe made only the briefest of admissions about the zero-days they fixed.Īpple said simply that it was “aware of a report that may have been actively exploited”: In other words, no matter how quickly you update against a zero-day once the patch is announced, you know that someone – and you have to hope that it wasn’t you! – has already been attacked and pwned, even if they’re accustomed to patching promptly themselves. Remember that a zero-day exploit is a security bypass (typically, one that allows Bad Guys to break in and run or implant software of their own choosing) that was discovered and abused by the attackers before the Good Guys found and fixed it. He's worked as a Software Developer, Systems Administrator, Tech Lead, and Freelancer in a variety of industries, and loves sharing his experience and understanding with those who need it.In the past few days, both Apple and Adobe have published software updates to close off zero-day security holes that were already being exploited by attackers.

The guides in this section are maintained by Brett H.īrett is the Founder of and he's been helping people improve their computer skills since the 1990's. Operating Systems - Latest version numbers:

The latest version of Internet Explorer.

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What happens if you don't update your browser?.

Why it's good to keep your browser up to dateĪre we telling you to update, but you have the latest version?Īre there any risks with updating Chrome? Wondering why you even need to bother updating?

What does it actually mean to update your browser?ĭo you need to do anything, or is it automatic? Frequently asked questions about updating your web browser

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