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    2 vulnerabilities by pdfminer

    CVE-2025-64512 (GCVE-0-2025-64512)

    Vulnerability from cvelistv5 – Published: 2025-11-10 21:58 – Updated: 2026-01-08 22:04
    VLAI
    Title
    pdfminer.six vulnerable to Arbitrary Code Execution via Crafted PDF Input
    Summary
    Pdfminer.six is a community maintained fork of the original PDFMiner, a tool for extracting information from PDF documents. Prior to version 20251107, pdfminer.six will execute arbitrary code from a malicious pickle file if provided with a malicious PDF file. The `CMapDB._load_data()` function in pdfminer.six uses `pickle.loads()` to deserialize pickle files. These pickle files are supposed to be part of the pdfminer.six distribution stored in the `cmap/` directory, but a malicious PDF can specify an alternative directory and filename as long as the filename ends in `.pickle.gz`. A malicious, zipped pickle file can then contain code which will automatically execute when the PDF is processed. Version 20251107 fixes the issue.
    Severity
    8.6 (High)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    pdfminer pdfminer.six Affected: < 20251107
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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      "title": "pdfminer.six vulnerable to Arbitrary Code Execution via Crafted PDF Input"
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    CVE-2025-64512 (GCVE-0-2025-64512)

    Vulnerability from nvd – Published: 2025-11-10 21:58 – Updated: 2026-01-08 22:04
    VLAI
    Title
    pdfminer.six vulnerable to Arbitrary Code Execution via Crafted PDF Input
    Summary
    Pdfminer.six is a community maintained fork of the original PDFMiner, a tool for extracting information from PDF documents. Prior to version 20251107, pdfminer.six will execute arbitrary code from a malicious pickle file if provided with a malicious PDF file. The `CMapDB._load_data()` function in pdfminer.six uses `pickle.loads()` to deserialize pickle files. These pickle files are supposed to be part of the pdfminer.six distribution stored in the `cmap/` directory, but a malicious PDF can specify an alternative directory and filename as long as the filename ends in `.pickle.gz`. A malicious, zipped pickle file can then contain code which will automatically execute when the PDF is processed. Version 20251107 fixes the issue.
    Severity
    8.6 (High)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    pdfminer pdfminer.six Affected: < 20251107
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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