UBUNTU-CVE-2021-28211

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    UBUNTU-CVE-2021-28211

    Published: 16 Mar 2021Last Modified: 4 Feb 2026
    Upstream:
    CVE-2021-28211

    Summary:

    Details: A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.

    References: https://ubuntu.com/security/CVE-2021-28211, https://github.com/tianocore/edk2/pull/1138, https://ubuntu.com/security/notices/USN-4923-1, https://www.cve.org/CVERecord?id=CVE-2021-28211, https://ubuntu.com/security/notices/USN-7060-1

    Affected packages

    Package

    Name: edk2

    Purl: pkg:deb/ubuntu/edk2@0~20160408.ffea0a2c-2ubuntu0.2+esm3?arch=source&distro=esm-apps/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0~20160408.ffea0a2c-2ubuntu0.2+esm3

    Affected versions

    0~20150106.5c2d456b-2

    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