CVE-2021-30500

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    CVE-2021-30500

    Published: 27 May 2021Last Modified: 9 Jul 2026

    Summary:

    Details: Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.

    References: https://bugzilla.redhat.com/show_bug.cgi?id=1948692, https://github.com/upx/upx/issues/485, https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dcc

    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-2021-30500 | CVE-DB