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All posts in zero day

Apple emergency zero-day fix for iPhones and Macs – get it now!

by Paul Ducklin You might be forgiven for thinking that July 2021 was Microsoft’s month for cybersecurity vulnerabilities. First there was PrintNightmare in several guises, followed by HiveNightmare (an entirely unrelated bug that nevertheless attracted the “Nightmare” moniker), followed by PetitPotam (which went down the cute aquatic mammal naming path). . . . Read more

PrintNightmare, the zero-day hole in Windows: here’s what to do

by Paul Ducklin There’s a critical Windows bug out there that’s not only known by three different names, but also listed variously as having three different severities. The first name you will see is the official MITRE identifier CVE-2021-1675, fixed in the Microsoft June 2020 Patch Tuesday update that was . . . Read more

Chrome zero-day, hot on the heels of Microsoft’s IE zero-day. Patch now!

by Paul Ducklin Microsoft’s Patch Tuesday announcement was bad enough, with six in-the-wild vulnerabilities patched, including one buried in the vestiges of Internet Explorer’s MSHTML web rendering code… …and it’s been followed by Google’s latest Chrome security advisory, which includes a zero-day patch (CVE-2021-30551) to Chrome’s JavaScript engine amongst its . . . Read more

Apple patches dangerous security holes, one in active use – update now!

by Paul Ducklin We’ve seen several news stories talking up some great new features in Apple’s latest software update for iOS, which was released yesterday. However, we’re much more interested in the security patches that arrived in the update to iOS 14.6, because Apple fixed 38 significant bugs, covered by . . . Read more