Inefficient Regular Expression Complexity Affecting setuptools package, versions <65.6.3-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
2.63% (86th percentile)

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  • Snyk IDSNYK-ECHOLATEST-SETUPTOOLS-19256862
  • published25 Aug 2026
  • disclosed23 Dec 2022

Introduced: 23 Dec 2022

CVE-2022-40897  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

Upgrade Echo:latest setuptools to version 65.6.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream setuptools package and not the setuptools package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py.

CVSS Base Scores

version 3.1