CVE-2021-42260

HIGH

TinyXML < 2.6.2 - Denial of Service via Infinite Loop in TiXmlParsingData::Stamp

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-42260. PoCs published by vm2mv.

AI-analyzed exploit summary The repository contains documentation and source code for TinyXML, a C++ XML parser library. No exploit code or proof-of-concept for CVE-2021-42260 is present in the provided files.

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.

Exploits (1)

nomisec WRITEUP 1 stars
by vm2mv · poc
https://github.com/vm2mv/tinyxml

The repository contains documentation and source code for TinyXML, a C++ XML parser library. No exploit code or proof-of-concept for CVE-2021-42260 is present in the provided files.

Classification
Writeup 90%
Attack Type
Other
Complexity
Trivial
Reliability
Theoretical
Target: TinyXML (version not specified)
No auth needed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/04/msg00019.html
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/09/msg00041.html
Exploit, Issue Tracking, Third Party Advisory
https://sourceforge.net/p/tinyxml/bugs/141/

Scores

CVSS v3 7.5
EPSS 0.0306
EPSS Percentile 85.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-835
Status published
Products (5)
debian/debian_linux 9.0
debian/debian_linux 10.0
tinyxml_project/tinyxml 2.3.0 beta
tinyxml_project/tinyxml 2.3.1 beta
tinyxml_project/tinyxml 2.3.2 - 2.6.2
Published Oct 11, 2021
Tracked Since Feb 18, 2026