Package        : mosquitto
Version        : 1.3.4-2+deb8u3
CVE ID         : CVE-2017-7653 CVE-2017-7654 CVE-2017-9868


CVE-2017-7653

     As invalid UTF-8 strings are not correctly checked, an attacker could
     cause a denial of service to other clients by disconnecting
     them from the broker with special crafted topics.


CVE-2017-7654

     Due to a memory leak unauthenticated clients can send special crafted
     CONNECT packets which could cause a denial of service in the broker.


CVE-2017-9868

     Due to wrong file permissions local users could obtain topic
     information from the mosquitto database.


For Debian 8 "Jessie", these problems have been fixed in version
1.3.4-2+deb8u3.

We recommend that you upgrade your mosquitto packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS