CVE-2023-28366
HIGH7.5EPSS 0.12%Published: 9/1/2023Modified: 12/3/2025
Also known as:ALPINE-CVE-2023-28366
Description
The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function.
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 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |