TinyXML through 2.6.2 has an infinite loop in TiXmlParsingData::Stamp in…
Priority LOW 39CWE-835Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-835.
Summary
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.
Why it matters now
EPSS 0.03375 88th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tinyxml_project:tinyxml:*:*:*:*:*:*:*:* | 2.3.2 – 2.6.2 | Vulnerable | Tinyxml Project |
| cpe:2.3:a:tinyxml_project:tinyxml:2.3.0:beta:*:*:*:*:*:* | 2.3.0 beta | Vulnerable | Tinyxml Project |
| cpe:2.3:a:tinyxml_project:tinyxml:2.3.1:beta:*:*:*:*:*:* | 2.3.1 beta | Vulnerable | Tinyxml Project |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:a:tinyxml_project:tinyxml:*:*:*:*:*:*:*:* Versions 2.3.2 – 2.6.2 Vulnerable ·Tinyxml Project
- cpe:2.3:a:tinyxml_project:tinyxml:2.3.0:beta:*:*:*:*:*:* Versions 2.3.0 beta Vulnerable ·Tinyxml Project
- cpe:2.3:a:tinyxml_project:tinyxml:2.3.1:beta:*:*:*:*:*:* Versions 2.3.1 beta Vulnerable ·Tinyxml Project
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-42260
- 2026-10-03 Alias added: GHSA-x43j-m68c-2qxf
References
Sources
- CVE-2021-42260 · CVE Program
- CVE-2021-42260 · NVD
- FIRST EPSS
- GHSA-x43j-m68c-2qxf · GitHub Advisory Database · CC BY 4.0
- CVE-2021-42260 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences