python3-eventlet: Eventlet is a concurrent networking library for Python
CVE-2021-21419 is fixed in python3-eventlet on 1 platform by python3-eventlet 0.25.1-2ubuntu1.1 (version 0.25.1-2ubuntu1.1), released May 7, 2021. It is not reported as exploited. Patch Radar priority: Routine.
Eventlet is a concurrent networking library for Python. A websocket peer may exhaust memory on Eventlet side by sending very large websocket frames. Malicious peer may exhaust memory on Eventlet side by sending highly compressed data frame. A patch in version 0.31.0 restricts websocket frame to reasonable limits. As a workaround, restricting memory usage via OS limits would help against overall machine exhaustion, but there is no workaround to protect Eventlet process.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python3-eventlet · Ubuntu 20.04 LTS (focal) | 0.25.1-2ubuntu1.1 | python3-eventlet 0.25.1-2ubuntu1.1 | May 7, 2021 |
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