CVE-2021-3622

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    CVE-2021-3622

    Published: 23 Dec 2021Last Modified: 8 Jul 2026

    Summary:

    Details: A flaw was found in the hivex library. This flaw allows an attacker to input a specially crafted Windows Registry (hive) file, which would cause hivex to recursively call the _get_children() function, leading to a stack overflow. The highest threat from this vulnerability is to system availability.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S35TVTAPHORSUIFYNFBHKLQRPVFUPXBE/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/USD4OEV6L3RPHE32V2MJ4JPFBODINWSU/, https://bugzilla.redhat.com/show_bug.cgi?id=1975489, https://github.com/libguestfs/hivex/commit/771728218dac2fbf6997a7e53225e75a4c6b7255, https://listman.redhat.com/archives/libguestfs/2021-August/msg00002.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -ace0be49b52943240f6c461e31e84f104b8ef443

    Affected versions

    v1.3.20
    v1.3.19
    v1.3.18
    v1.3.17
    v1.3.16
    v1.3.15
    v1.3.14

    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-2021-3622 | CVE-DB