Import loops in account imports, nats-server DoS

This advisory is canonically Problem Description An export/import cycle between accounts could crash the nats-server, after consuming CPU and memory. This issue was fixed publicly in in November 2020. The need to call this out as a security issue was highlighted by snyk.io and we are grateful for...

webmin -- insecure temporary file creation at installation time

The Webmin developers documented a security issue in the release notes for version 1.160: Fixed a security hole in the maketemp.pl script, used to create the /tmp/.webmin directory at install time. If an un-trusted user creates this directory before Webmin is installed, he could create in it a...