CVE-2019-11779
mosquitto - security update
6.5
MEDIUM
CVSS 3.1
EPSS 2.7%
Description
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.
How to fix CVE-2019-11779
To remediate CVE-2019-11779, upgrade the affected package to a fixed version below.
- Alpine/mosquitto—upgrade to 1.6.3-r1 or later
Is CVE-2019-11779 being exploited?
Low — EPSS is 2.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 1.5, < 1.6.3-r1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |