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    CVE-2026-48735

    pypdf is a free and open-source pure-python PDF library. Prior to 6.12.1, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing large XMP metadata, possibly with lots of unnecessary elements. This vulnerability is fixed in 6.12.1.

    Published:May 28, 2026
    Last Modified:Jun 2, 2026
    EPS:May 28, 2026
    EPSS Score:0.00012
    CVSS Score:5.5

    Affected Products

    Vendor
    Py-pdf
    Product
    Pypdf
    Vendor
    Pypdf Project
    Product
    Pypdf

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-71870 (CVSS 4.8) — pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause large memory…
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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