CVE-2021-3504

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    CVE-2021-3504

    Published: 11 May 2021Last Modified: 8 Jul 2026

    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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5BNKNVYFL36P2GBEB5O36LHFRYU575H/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BQXTEACRWYAZVNEOIWIYUFGG4GOXSQ22/, https://lists.debian.org/debian-lts-announce/2021/05/msg00011.html, https://bugzilla.redhat.com/show_bug.cgi?id=1949687

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -c9f37f019b3b9b22cad4b883b31f6a2e80bcefc0

    Affected versions

    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-2021-3504 | CVE-DB