GHSA-r9hx-vwmv-q579HighCVSS 7.5

pypa/setuptools vulnerable to Regular Expression Denial of Service (ReDoS)

Published
December 23, 2022
Last Modified
November 4, 2025

🔗 CVE IDs covered (1)

📋 Description

Python Packaging Authority (PyPA)'s setuptools is a library designed to facilitate packaging Python projects. Setuptools version 65.5.0 and earlier could allow remote attackers to cause a denial of service by fetching malicious HTML from a PyPI package or custom PackageIndex page due to a vulnerable Regular Expression in package_index. This has been patched in version 65.5.1.

🎯 Affected products1

  • pip/setuptools:< 65.5.1

🔗 References (17)