CVE-2017-9868 Information disclosure in n/a

What is CVE-2017-9868?

CVE-2017-9868 is a medium-severity vulnerability in Debian Debian Linux, published on 25 Jun 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In Mosquitto through 1.4.12, mosquitto.db (aka the persistence file) is world readable, which allows local users to obtain sensitive MQTT topic information.

Weakness: CWE-200

Which versions are affected by CVE-2017-9868?

It affects 2 products.

Products include Debian Debian Linux, Eclipse Mosquitto.

How do I fix CVE-2017-9868?

Apply the vendor's patch.

Is CVE-2017-9868 being exploited?

There is no known exploitation of CVE-2017-9868 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2017-9868, DEBIAN-CVE-2017-9868, DLA-1146-1, GHSA-m438-p9g2-x57w, UBUNTU-CVE-2017-9868.