UBUNTU-CVE-2021-30501

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    UBUNTU-CVE-2021-30501

    Published: 27 May 2021Last Modified: 20 May 2026
    Upstream:
    CVE-2021-30501

    Summary:

    Details: An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.

    References: https://ubuntu.com/security/CVE-2021-30501, https://github.com/upx/upx/issues/486, https://github.com/upx/upx/pull/487, https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46, https://bugzilla.redhat.com/show_bug.cgi?id=1948696, https://www.cve.org/CVERecord?id=CVE-2021-30501

    Affected packages

    Package

    Name: upx-ucl

    Purl: pkg:deb/ubuntu/upx-ucl?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.91-1

    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
    UBUNTU-CVE-2021-30501 | CVE-DB