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USN-5404-2: Rsyslog vulnerability

24 May 2022

Rsyslog could be made to crash if it received a specially crafted request.




USN-5404-1 addressed a vulnerability in Rsyslog. This update
provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

Pieter Agten discovered that Rsyslog incorrectly handled certain requests.
An attacker could possibly use this issue to cause a crash.

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.


Related notices

  • USN-5404-1: rsyslog-mysql, rsyslog-hiredis, rsyslog-kubernetes, rsyslog-openssl, rsyslog, rsyslog-gssapi, rsyslog-pgsql, rsyslog-gnutls, rsyslog-relp, rsyslog-kafka, rsyslog-snmp, rsyslog-elasticsearch, rsyslog-czmq, rsyslog-mongodb