CVE-2023-0809
MEDIUM5.3EPSS 0.05%Published: 10/2/2023Modified: 12/3/2025
Also known as:ALPINE-CVE-2023-0809
Description
In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.
Affected packages (2)
- Alpine/mosquittofrom 0, < 2.0.16-r0
- Debian/mosquittofrom 0, < 2.0.11-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |