This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2019-11779 →

DEBIAN-CVE-2019-11779

In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 6...

Original description

The description as published by the source.

In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 mosquitto

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.6-1"}]}]

Debian:13 mosquitto

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.6-1"}]}]

Debian:14 mosquitto

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.6-1"}]}]

References

advisory security-tracker.debian.org