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USN-4506-1: MCabber vulnerability

16 September 2020

MCabber could be made to modify the roster and intercept messages if it received specially crafted XMPP packets.



  • mcabber - small Jabber (XMPP) console client


It was discovered that MCabber does not properly manage roster pushes. An
attacker could possibly use this issue to remotely perform
man-in-the-middle attacks. (CVE-2016-9928).

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04

In general, a standard system update will make all the necessary changes.