CVE-2020-27796

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    CVE-2020-27796

    Published: 25 Aug 2022Last Modified: 8 Jul 2026

    Summary:

    Details: A heap-based buffer over-read was discovered in the invert_pt_dynamic function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

    References: https://github.com/upx/upx/issues/392

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 69ca635c4c0ba474e9ca583dbb42e3d028c4533a
    Fixed -None

    Affected versions

    4.0.0

    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
    CVE-2020-27796 | CVE-DB