CVE-2021-42860: Buffer Overflow

Published May 26, 2022
·
Updated

DISPUTED A stack buffer overflow exists in Mini-XML v3.2. When inputting an unformed XML string to the mxmlLoadString API, it will cause a stack-buffer-overflow in mxmlstringgetc:2611. NOTE: it is unclear whether this input is allowed by the API specification.

Affected Software

1 affected component
Mini-xml Project Mini-xml=3.2

Event History

May 26, 2022
CVE Published
via MITRE·11:23 AM
Data Sourced
via MITRE·11:23 AM
Description
Disputed
12:15 PM
Data Sourced
via NVD·12:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-42860?

CVE-2021-42860 is considered a critical vulnerability due to the potential for stack buffer overflow exploitation.

2

How do I fix CVE-2021-42860?

To fix CVE-2021-42860, update Mini-XML to the latest version or implement input validation to prevent malformed XML strings.

3

What types of systems are affected by CVE-2021-42860?

CVE-2021-42860 specifically affects Mini-XML version 3.2 running on systems that utilize this library.

4

Can CVE-2021-42860 lead to remote code execution?

While CVE-2021-42860 presents a stack buffer overflow risk, the potential for remote code execution depends on how the affected software is implemented.

5

What is the nature of the vulnerability in CVE-2021-42860?

CVE-2021-42860 is a stack buffer overflow that occurs when unformed XML strings are processed by the mxmlLoadString API.

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