CVE-2025-6069 Affecting python-idna package, versions <0:2.10-4.module+el8.10.0+1809+41195054


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.59% (47th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ROCKY8-PYTHONIDNA-14534091
  • published19 Dec 2025
  • disclosed17 Jun 2025

Introduced: 17 Jun 2025

CVE-2025-6069  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 python-idna to version 0:2.10-4.module+el8.10.0+1809+41195054 or higher.
This issue was patched in RLSA-2025:23530.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-idna package and not the python-idna package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service.

CVSS Base Scores

version 3.1