PyPI PACKAGE

bleach 6.3.0

Warn

PkgFire would install this release with a warning.·Checked 13 hours ago·Published 27 October 2025

pypi.org

Why

  • warnVulnerability

    Bleach linkify(parse_email=True) CPU exhaustion via unbounded email regex scanning

  • warnVulnerability

    Bleach clean() / Cleaner() fails to sanitize dangerous URI schemes in allowed formaction attributes (fixed in 6.4.0)

Provenance

A registry signature proves the registry served these bytes unaltered. Build provenance proves which workflow built them from which commit; a stolen publishing token can fake the first but not the second.

Signature
Not signed
Build provenance
None, and no earlier version had any

What the code does

On its own this is weak signal: plenty of honest libraries read files or talk to the network. What PkgFire watches is a release gaining something the one before it did not.

Code reading

PkgFire's own reading of the files: what the code can do.

  • code-evalbleach/_vendor/html5lib/_inputstream.py, bleach/_vendor/html5lib/_utils.py
  • code-networkbleach/_vendor/vendor_install.sh, bleach/linkifier.py, bleach/six_shim.py

Source patterns

Patterns found in the source, including those malware is known to use.

  • capability-filesystem-read
  • capability-process-spawn
  • threat-network-outbound-shady-links

Other checked releases

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