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GHSA-ccgm-3xw4-h5p8

Improper Restriction of XML External Entity Reference in pikepdf

Source: GitHub Advisory Database (reviewed) High CVE-2021-29421

Packages

EcosystemPackageAffectedFixed in
PyPI pikepdf >= 1.3.0, < 2.10.0 2.10.0

Details

As written in the advisory (Markdown source, shown as plain text).

models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.

References

External links from the advisory. They lead to third-party sites.