mosquitto: In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending dat...
CVE-2023-5632 is fixed in mosquitto on 1 platform, first by DEBIAN-CVE-2023-5632, released October 18, 2023. It is not reported as exploited. Patch Radar priority: High.
In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by a malicious actor to perform denial of service type attack. This issue is fixed in 2.0.6
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| mosquitto · Debian 12.15 (bookworm) | 2.0.7-1 | DEBIAN-CVE-2023-5632 | Oct 18, 2023 |
| mosquitto · Debian 13.5 (trixie) | 2.0.7-1 | DEBIAN-CVE-2023-5632 | Oct 18, 2023 |
| mosquitto · Debian 14 | 2.0.7-1 | DEBIAN-CVE-2023-5632 | Oct 18, 2023 |
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