# CVE-2025-9670: node-turndown: A security flaw has been discovered in mixmark-io turndown up to 7.2.1

CVE-2025-9670 is fixed in node-turndown on 1 platform by DEBIAN-CVE-2025-9670 (version 7.2.2+~2.2.0~git20240406-1), released August 29, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-9670
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0050
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 29, 2025

## Description

A security flaw has been discovered in mixmark-io turndown up to 7.2.1. This affects an unknown function of the file src/commonmark-rules.js. Performing manipulation results in inefficient regular expression complexity. It is possible to initiate the attack remotely. The exploit has been released to the public and may be exploited.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | node-turndown Debian 14 | 7.2.2+~2.2.0~git20240406-1 | [DEBIAN-CVE-2025-9670](https://patchblox.com/security/data/fix/linux/debian-cve-2025-9670.md) | Aug 29, 2025 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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