Jitsi Workaround for CVE-2021-44228/LogJam/Log4Shell

December 10, 2021

You surely heard of the LogJam / Log4Shell / CVE-2021-44228 – if not, take a look at this blog post. If you’re running Jitsi is most likely vulnerable and as there is no fix currently, you need a workaround which I provide here for you. You need to add -Dlog4j2.formatMsgNoLookups=True at the correct places in the file – the position is important.

/etc/jitsi/jicofo/config

/etc/jitsi/videobridge/config

And restart the processes or restart the server.

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