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    CVE-2026-113790

    pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF containing arrays or dictionaries with many elements, causing parsing to consume large amounts of memory. This issue is fixed in version 6.21.0.

    Published:Oct 21, 2026
    Last Modified:Oct 28, 2026
    EPS:Oct 21, 2026
    EPSS Score:0.00392
    CVSS Score:5.5

    Affected Products

    Vendor
    Py-pdf
    Product
    Pypdf

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-119204 (CVSS 7.1) — pypdf is a free and open-source pure-python PDF library. Prior to 6.21.4, pypdf can consume excessive memory w…
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    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