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Debian LTS Advisory DLA-2582-1                [email protected]
https://www.debian.org/lts/security/                          Abhijith PA
March 05, 2021                                https://wiki.debian.org/LTS
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Package        : mqtt-client
Version        : 1.14-1+deb9u1
CVE ID         : CVE-2019-0222
Debian Bug     : 925964

A vulnerability was discovered in mqtt-client wher unmarshalling 
corrupt MQTT frame can lead to broker Out of Memory exception making 
it unresponsive.

For Debian 9 stretch, this problem has been fixed in version
1.14-1+deb9u1.

We recommend that you upgrade your mqtt-client packages.

For the detailed security status of mqtt-client please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/mqtt-client

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