High

Uncontrolled resource consumption in validators Python package

  • Disclosed: 05.12.2019
  • Updated: 11.10.2026 11:20

The validators package 0.12.2 through 0.12.5 for Python enters an infinite loop when validators.domain is called with a crafted domain string. This is fixed in 0.12.6.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) validators >= 0.12.2, < 0.12.6 0.12.6

References

CVSS score 7.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-835
Platform
Python (PyPI)
Package
validators
Disclosed
05.12.2019
Updated
11.10.2026 11:20

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2019-134 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-5qcg-w2cc-xffw - CC BY 4.0

Vulnerability history: validators

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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