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    CVE-2026-59199

    Pillow is a Python imaging library. Prior to 12.3.0, Pillow public image coordinate APIs can trigger a native heap out-of-bounds write when given coordinates near the signed 32-bit integer limits in Image.paste(), Image.crop(), or Image.alpha_composite(). This issue is fixed in version 12.3.0.

    Published:Jul 14, 2026
    Last Modified:Jul 15, 2026
    EPS:Jul 14, 2026
    EPSS Score:0.0039
    CVSS Score:7.5

    Affected Products

    Vendor
    Python-pillow
    Product
    Pillow

    Exploits

    https://github.com/python-pillow/Pillow/pull/9703https://github.com/python-pillow/Pillow/security/advisories/GHSA-6r8x-57c9-28j4https://github.com/python-pillow/Pillow/security/advisories/GHSA-6r8x-57c9-28j4

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
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    High
    User Interaction
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    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
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    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High