CVE-2019-11779
MEDIUM6.5EPSS 16.3%mosquitto - security update
Published: 9/19/2019Modified: 4/28/2026
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.
Affected packages (3)
- Alpine/mosquittofrom 0, < 1.6.3-r1
- Debian/mosquittofrom 0, < 1.6.6-1
- Debian/mosquittofrom 0, < 1.5.7-1+deb10u1
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 |