What’s Vulnerable › Vulnerabilities

CVE-2021-42260

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-11 · updated 2026-06-17
• Weakness: CWE-835

Description

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.

Affected products

• Debian Linux: 9.0, 10.0
• Tinyxml Project Tinyxml: from 2.3.2 through 2.6.2; 2.3.0-beta, 2.3.1-beta

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/package-announce@lists.fedoraproject.org/message/4QCR5PIOBGDIDS6SYRESTMDJSEDFSCOE/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HOMBSHRIW5Q34SQSXYURYAOYDZD2NQF6/
• https://sourceforge.net/p/tinyxml/bugs/141/

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