CVE-2021-34432
HIGH7.5EPSS 0.56%Published: 7/27/2021Modified: 12/3/2025
Also known as:ALPINE-CVE-2021-34432
Description
In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.
Affected packages (2)
- Alpine/mosquittofrom 0, < 1.6.8-r1
- Debian/mosquittofrom 0, < 2.0.8-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |