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    CVE-2021-45340

    In Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT file.

    Published:Jan 25, 2022
    Last Modified:Apr 24, 2026
    EPS:Jan 25, 2022
    EPSS Score:0.00146
    CVSS Score:6.5

    Affected Products

    Vendor
    Libsixel
    Product
    Libsixel

    Exploits

    https://github.com/libsixel/libsixel/issues/51https://github.com/libsixel/libsixel/issues/51

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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