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    CVE-2021-42260

    TinyXML through 2.6.2 has an infinite loop in TiXmlParsingData::Stamp in tinyxmlparser.cpp via the TIXML_UTF_LEAD_0 case. It can be triggered by a crafted XML message and leads to a denial of service.

    Published:Oct 11, 2021
    Last Modified:Nov 4, 2025
    EPS:Oct 11, 2021
    EPSS Score:0.00356
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Tinyxml Project
    Product
    Tinyxml

    Exploits

    https://sourceforge.net/p/tinyxml/bugs/141/https://sourceforge.net/p/tinyxml/bugs/141/https://github.com/vm2mv/tinyxml

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://lists.debian.org/debian-lts-announce/2022/04/msg00019.html
    https://lists.debian.org/debian-lts-announce/2022/09/msg00041.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4QCR5PIOBGDIDS6SYRESTMDJSEDFSCOE/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HOMBSHRIW5Q34SQSXYURYAOYDZD2NQF6/
    https://sourceforge.net/p/tinyxml/bugs/141/
    https://lists.debian.org/debian-lts-announce/2022/04/msg00019.html
    https://lists.debian.org/debian-lts-announce/2022/09/msg00041.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4QCR5PIOBGDIDS6SYRESTMDJSEDFSCOE/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HOMBSHRIW5Q34SQSXYURYAOYDZD2NQF6/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/4QCR5PIOBGDIDS6SYRESTMDJSEDFSCOE/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/HOMBSHRIW5Q34SQSXYURYAOYDZD2NQF6/
    https://sourceforge.net/p/tinyxml/bugs/141/

    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