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    CVE-2026-59205

    Pillow is a Python imaging library. Prior to 12.3.0, Pillow's ImageCms.ImageCmsTransform.apply(im, imOut) API can trigger controlled native heap corruption when the caller supplies an output image whose mode does not match the transform's declared output mode. This issue is fixed in version 12.3.0.

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

    Affected Products

    Vendor
    Python-pillow
    Product
    Pillow

    Exploits

    https://github.com/python-pillow/Pillow/security/advisories/GHSA-9hw9-ch79-4vh6https://github.com/python-pillow/Pillow/security/advisories/GHSA-9hw9-ch79-4vh6

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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