This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2019-11778 →

DEBIAN-CVE-2019-11778

If an MQTT v5 client connects to Eclipse Mosquitto versions 1.6.0 to 1.6.4 inclusive, sets a last will and testament, sets a will delay interval, sets...

Original description

The description as published by the source.

If an MQTT v5 client connects to Eclipse Mosquitto versions 1.6.0 to 1.6.4 inclusive, sets a last will and testament, sets a will delay interval, sets a session expiry interval, and the will delay interval is set longer than the session expiry interval, then a use after free error occurs, which has the potential to cause a crash in some situations.

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