21Nails Vulnerabilities Impact 60% of the Internet’s Email Servers

The maintainers of the Exim email server software have released updates today to patch a collection of 21 vulnerabilities that can allow threat actors to take over servers using both local and remote attack vectors. The Record reports: Known as 21Nails, the vulnerabilities were discovered by security firm Qualys. The bugs impact Exim, a type of email server known as a mail transfer agent (MTA) that helps email traffic travel across the internet and reach its intended destinations. While there are different MTA clients available, an April 2021 survey shows that Exim has a market share of nearly 60% among all MTA solutions, being widely adopted around the internet. The 21Nails vulnerabilities, if left unpatched, could allow threat actors to take over these systems and then intercept or tamper with email communications passing through the Exim server.

As Qualys explains in its security advisory, the 21Nails vulnerabilities are as bad


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Two More Windows 10 Updates Will Remove Adobe Flash For Good

Microsoft is preparing to issue two more Windows 10 updates in June and July that will eliminate unsupported Adobe Flash Player from Windows PCs for good. ZDNet reports: The update KB4577586 called “Update for Removal of Adobe Flash Player” has been available as an optional update since October and now looks set for a broader deployment. Flash Player officially reached end of life on December 31, 2020 as per an announcement by Adobe and major browser makers in 2017.
“Starting in June 2021, the KB4577586 “Update for Removal of Adobe Flash Player” will be included in the Preview Update for Windows 10, version 1809 and above platforms. It will also be included in every subsequent Latest Cumulative Update,” Microsoft said. “As of July 2021, the KB4577586 “Update for Removal of Adobe Flash Player” will be included in the Latest Cumulative Update for Windows 10, versions 1607 and Windows 10, version


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