A memory leak issue was discovered in Mini-XML v3.2 that could cause a denial of service.
Priority LOW 35CWE-772Published · 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-772.
Summary
A memory leak issue was discovered in Mini-XML v3.2 that could cause a denial of service. NOTE: testing reports are inconsistent, with some testers seeing the issue in both the 3.2 release and in the October 2021 development code, but others not seeing the issue in the 3.2 release
Why it matters now
EPSS 0.01037 64th 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mini-xml_project:mini-xml:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Mini-xml Project |
- cpe:2.3:a:mini-xml_project:mini-xml:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Mini-xml Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-42859
- 2026-10-03 Alias added: GHSA-hv2p-7mr9-q6gg
References
More Mini-xml Project Mini-xml vulnerabilities
- TI-2018-14183 An issue has been found in Mini-XML (aka mxml) 2.12. CVSS 3.1HIGH 8.8
- TI-2021-19018 A stack buffer overflow exists in Mini-XML v3.2. CVSS 3.1HIGH 7.5
- TI-2016-03936 The mxml_write_node function in mxml-file.c in mxml 2.9, 2.7, and possibly earlier allows… CVSS 3.1MEDIUM 5.5
- TI-2016-03935 The mxmlDelete function in mxml-node.c in mxml 2.9, 2.7, and possibly earlier allows… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2021-42859 · CVE Program
- CVE-2021-42859 · NVD
- FIRST EPSS
- GHSA-hv2p-7mr9-q6gg · GitHub Advisory Database · CC BY 4.0
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