GHSA-ccgm-3xw4-h5p8

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    GHSA-ccgm-3xw4-h5p8

    Published: 20 Apr 2021Last Modified: 10 Sept 2026

    Summary: Improper Restriction of XML External Entity Reference in pikepdf

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

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-29421, https://github.com/pikepdf/pikepdf/commit/3f38f73218e5e782fe411ccbb3b44a793c0b343a, https://github.com/advisories/GHSA-ccgm-3xw4-h5p8, https://github.com/pikepdf/pikepdf, https://github.com/pypa/advisory-database/tree/main/vulns/pikepdf/PYSEC-2021-34.yaml, https://lists.fedoraproject.org/archives/list/[email protected]/message/36P4HTLBJPO524WMQWW57N3QRF4RFSJG, https://lists.fedoraproject.org/archives/list/[email protected]/message/3QFLBBYGEDNXJ7FS6PIWTVI4T4BUPGEQ

    Affected packages

    Package

    Name: pikepdf

    Purl: pkg:pypi/pikepdf

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 1.3.0
    Fixed -2.10.0

    Affected versions

    1.10.0
    1.10.1
    1.10.2
    1.10.3
    1.10.4

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-ccgm-3xw4-h5p8 | CVE-DB