CVE-2021-45934: Buffer Overflow

Published Dec 31, 2021
·
Updated

wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClientDecodePacket (called from MqttClientHandlePacket and MqttClientWaitType).

Affected Software

1 affected component
wolfSSL wolfMQTT=1.9

Event History

Dec 31, 2021
CVE Published
via MITRE·11:58 PM
Data Sourced
via MITRE·11:58 PM
Description
Jan 1, 2022
Data Sourced
via NVD·01:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2021-45934?

The severity of CVE-2021-45934 is medium, with a severity value of 5.5.

2

What is the affected software of CVE-2021-45934?

The affected software of CVE-2021-45934 is wolfSSL wolfMQTT version 1.9.

3

How can I fix the heap-based buffer overflow in CVE-2021-45934?

To fix the heap-based buffer overflow in CVE-2021-45934, update to a version of wolfSSL wolfMQTT that is not affected by the vulnerability.

4

Is there any reference for CVE-2021-45934?

Yes, there are several references for CVE-2021-45934. You can find them at the following links: [link1], [link2], [link3].

5

What are the Common Weakness Enumeration (CWE) IDs associated with CVE-2021-45934?

The Common Weakness Enumeration (CWE) IDs associated with CVE-2021-45934 are CWE-119 and CWE-787.

Contact

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