CVE-2021-46143

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    CVE-2021-46143

    Published: 6 Jan 2022Last Modified: 8 Jul 2026

    Summary:

    Details: In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.

    References: https://security.gentoo.org/glsa/202209-24, https://security.netapp.com/advisory/ntap-20220121-0006/, https://www.debian.org/security/2022/dsa-5073, https://www.tenable.com/security/tns-2022-05, http://www.openwall.com/lists/oss-security/2022/01/17/3, https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf, https://github.com/libexpat/libexpat/issues/532, https://github.com/libexpat/libexpat/pull/538

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -57c7da69b78e3698e112a6b5da19d5109b8232d1

    Affected versions

    R_2_4_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
    CVE-2021-46143 | CVE-DB