CVE-2021-29421: Improper Restriction of XML External Entity Reference in pikepdf
(updated )
models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.
References
- github.com/advisories/GHSA-ccgm-3xw4-h5p8
- github.com/pikepdf/pikepdf
- github.com/pikepdf/pikepdf/commit/3f38f73218e5e782fe411ccbb3b44a793c0b343a
- github.com/pypa/advisory-database/tree/main/vulns/pikepdf/PYSEC-2021-34.yaml
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36P4HTLBJPO524WMQWW57N3QRF4RFSJG
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QFLBBYGEDNXJ7FS6PIWTVI4T4BUPGEQ
- nvd.nist.gov/vuln/detail/CVE-2021-29421
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