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    CVE-2026-49460

    pypdf is a free and open-source pure-python PDF library. Prior to 6.12.2, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /FlateDecode filter with a PNG predictor. This vulnerability is fixed in 6.12.2.

    Published:Jun 22, 2026
    Last Modified:Jun 23, 2026
    EPS:Jun 22, 2026
    EPSS Score:0.00125
    CVSS Score:5.5

    Affected Products

    Vendor
    Py-pdf
    Product
    Pypdf

    Exploits

    No exploit reference

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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