id: PYSEC-2021-34
details: models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python
  allows XXE when parsing XMP metadata entries.
affected:
- package:
    name: pikepdf
    ecosystem: PyPI
    purl: pkg:pypi/pikepdf
  ranges:
  - type: GIT
    repo: https://github.com/pikepdf/pikepdf
    events:
    - introduced: '0'
    - fixed: 3f38f73218e5e782fe411ccbb3b44a793c0b343a
  - type: ECOSYSTEM
    events:
    - introduced: 1.3.0
    - fixed: 2.10.0
  versions:
  - 1.3.0
  - 1.3.1
  - 1.4.0
  - 1.5.0
  - 1.5.0.post0
  - 1.6.0
  - 1.6.1
  - 1.6.2
  - 1.6.3
  - 1.6.4
  - 1.6.5
  - 1.7.0
  - 1.7.1
  - 1.8.0
  - 1.8.1
  - 1.8.2
  - 1.8.3
  - 1.9.0
  - 1.10.0
  - 1.10.1
  - 1.10.2
  - 1.10.3
  - 1.10.4
  - 1.11.0
  - 1.11.1
  - 1.11.2
  - 1.12.0
  - 1.13.0
  - 1.14.0
  - 1.15.0
  - 1.15.1
  - 1.16.0
  - 1.16.1
  - 1.17.0
  - 1.17.1
  - 1.17.2
  - 1.17.3
  - 1.18.0
  - 1.19.0
  - 1.19.1
  - 1.19.2
  - 1.19.3
  - 1.19.4
  - 2.0.0b1
  - 2.0.0b2
  - 2.0.0
  - 2.1.0
  - 2.1.1
  - 2.1.2
  - 2.2.0
  - 2.2.1
  - 2.2.2
  - 2.2.3
  - 2.2.4
  - 2.2.5
  - 2.3.0
  - 2.4.0
  - 2.5.0
  - 2.5.1
  - 2.5.2
  - 2.6.0
  - 2.7.0
  - 2.8.0
  - 2.8.0.post1
  - 2.8.0.post2
  - 2.9.0
  - 2.9.1
  - 2.9.2
references:
- type: FIX
  url: https://github.com/pikepdf/pikepdf/commit/3f38f73218e5e782fe411ccbb3b44a793c0b343a
- type: WEB
  url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QFLBBYGEDNXJ7FS6PIWTVI4T4BUPGEQ/
- type: WEB
  url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36P4HTLBJPO524WMQWW57N3QRF4RFSJG/
- type: ADVISORY
  url: https://github.com/advisories/GHSA-ccgm-3xw4-h5p8
aliases:
- CVE-2021-29421
- GHSA-ccgm-3xw4-h5p8
modified: '2021-04-09T19:15:00Z'
published: '2021-04-01T20:15:00Z'