UBUNTU-CVE-2021-3504

    Dashboard / Vulnerabilities / UBUNTU-CVE-2021-3504

    UBUNTU-CVE-2021-3504

    Published: 11 May 2021Last Modified: 20 May 2026
    Upstream:
    CVE-2021-3504

    Summary:

    Details: A flaw was found in the hivex library in versions before 1.3.20. It is caused due to a lack of bounds check within the hivex_open function. An attacker could input a specially crafted Windows Registry (hive) file which would cause hivex to read memory beyond its normal bounds or cause the program to crash. The highest threat from this vulnerability is to system availability.

    References: https://ubuntu.com/security/CVE-2021-3504, https://listman.redhat.com/archives/libguestfs/2021-May/msg00013.html, https://github.com/libguestfs/hivex/commit/8f1935733b10d974a1a4176d38dd151ed98cf381, https://ubuntu.com/security/notices/USN-5148-1, https://ubuntu.com/security/notices/USN-5148-2, https://www.cve.org/CVERecord?id=CVE-2021-3504

    Affected packages

    Package

    Name: hivex

    Purl: pkg:deb/ubuntu/hivex?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.3.9-2ubuntu0.1~esm1

    Affected versions

    1.3.7-5
    1.3.8-1
    1.3.8-1build1
    1.3.9-1
    1.3.9-2
    1.3.9-2build1

    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-2021-3504 | CVE-DB