GHSA-9p9m-jm8w-94p2
MEDIUMGHSA-9p9m-jm8w-94p2 is a medium-severity (CVSS 5.3) Uncontrolled Resource Consumption vulnerability in eventlet. O3 Security confirms whether GHSA-9p9m-jm8w-94p2 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Improper Handling of Highly Compressed Data (Data Amplification) and Memory Allocation with Excessive Size Value in eventlet
Blast Radius
eventletReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.
Description
Impact
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.
Patches
Version 0.31.0 restricts websocket frame to reasonable limits.
Workarounds
Restricting memory usage via OS limits would help against overall machine exhaustion. No workaround to protect Eventlet process.
For more information
If you have any questions or comments about this advisory:
- Open an issue in eventlet
- Contact current maintainers. At 2021-03: [email protected] or https://t.me/temotor
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐍PyPI | eventlet | ≥ 0.10&&< 0.31.0 | 0.31.0 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for eventlet. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update eventlet to 0.31.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-9p9m-jm8w-94p2 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether GHSA-9p9m-jm8w-94p2 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to GHSA-9p9m-jm8w-94p2. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-9p9m-jm8w-94p2 in your dependencies?
O3 detects GHSA-9p9m-jm8w-94p2 across PyPI dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.