Inefficient Regular Expression Complexity Affecting python3.12-idle package, versions <0:3.12.11-2.amzn2023.0.1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.08% (24th percentile)

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  • Snyk IDSNYK-AMZN2023-PYTHON312IDLE-10694791
  • published11 Jul 2025
  • disclosed17 Jun 2025

Introduced: 17 Jun 2025

CVE-2025-6069  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 python3.12-idle to version 0:3.12.11-2.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2025-1056.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.12-idle package and not the python3.12-idle package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 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