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    CVE-2026-59938

    pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craft a PDF with declared image size values that are much too large compared to the actual data, causing large memory usage in pypdf image parsing. This issue is fixed in version 6.14.0.

    Published:Jul 8, 2026
    Last Modified:Jul 10, 2026
    EPS:Jul 8, 2026
    EPSS Score:0.00303
    CVSS Score:5.3

    Affected Products

    Vendor
    Py-pdf
    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…
    CVE-2026-71852 (CVSS 4.8) — pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause long runtime…
    CVE-2026-59936 (CVSS 8.7) — pypdf is a free and open-source pure-python PDF library. Prior to 6.14.1, an attacker can craft a PDF with a p…
    CVE-2026-59935 (CVSS 8.7) — pypdf is a free and open-source pure-python PDF library. Prior to 6.14.2, an attacker can craft a PDF with a p…
    CVE-2026-59937 (CVSS 6.9) — pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craft a PDF with rep…
    CVE-2026-57204 (CVSS 6.9) — pypdf is a free and open-source pure-python PDF library. Prior to 6.13.3, a maliciously crafted PDF can cause …

    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