Medium

xhtml2pdf Denial of Service via crafted string

  • Disclosed: 08.10.2024
  • Updated: 11.10.2026 13:19

An issue in the getcolor function in utils.py of xhtml2pdf v0.2.13 allows attackers to cause a Regular expression Denial of Service (ReDOS) via supplying a crafted string.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) xhtml2pdf <= 0.2.16 no fix

References

CVSS score 5.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE)
CWE-1333
Platform
Python (PyPI)
Package
xhtml2pdf
Disclosed
08.10.2024
Updated
11.10.2026 13:19

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2026-2056 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-jj5c-hhrg-vv5h - CC BY 4.0

Vulnerability history: xhtml2pdf

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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