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    CVE-2026-54060

    Pillow is a Python imaging library. Prior to 12.3.0, PIL/FontFile.py FontFile.compile() assembled per-glyph images into a combined bitmap with Image.new("1", (xsize, ysize)) without calling Image._decompression_bomb_check(), allowing a font to trigger excessive allocation during conversion or saving. This issue is fixed in version 12.3.0.

    Published:Jul 6, 2026
    Last Modified:Jul 7, 2026
    EPS:Jul 6, 2026
    EPSS Score:0.00342
    CVSS Score:7.5

    Affected Products

    Vendor
    Python-pillow
    Product
    Pillow

    Exploits

    https://github.com/python-pillow/Pillow/security/advisories/GHSA-5x94-69rx-g8h2https://github.com/python-pillow/Pillow/security/advisories/GHSA-5x94-69rx-g8h2

    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
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    User Interaction
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    Scope
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    Changed
    Confidentiality
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    Integrity
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