CVE-2021-42260
HIGHCVSS 7.5/10EPSS 3.06%
Last modified
CVE-2021-42260 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 3.06% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Tinyxml Project | Tinyxml | >= 2.3.2, <= 2.6.2 | — |
| Tinyxml Project | Tinyxml | 2.3.0 | Beta |
| Tinyxml Project | Tinyxml | 2.3.1 | Beta |
| Debian | Debian Linux | 9.0 | — |
| Debian | Debian Linux | 10.0 | — |
References
- https://lists.debian.org/debian-lts-announce/2022/04/msg00019.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00041.htmlMailing List, Third Party Advisory
- https://sourceforge.net/p/tinyxml/bugs/141/Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/04/msg00019.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00041.htmlMailing List, Third Party Advisory
- https://sourceforge.net/p/tinyxml/bugs/141/Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-42260?
CVE-2021-42260 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.06% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42260?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2021-42260?
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