CWE
787 119
Advisory Published
Updated

CVE-2021-45934: Buffer Overflow

First published: Fri Dec 31 2021(Updated: )

wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClient_DecodePacket (called from MqttClient_HandlePacket and MqttClient_WaitType).

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
wolfSSL wolfMQTT=1.9
=1.9

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Frequently Asked Questions

  • What is the severity of CVE-2021-45934?

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

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

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

  • 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.

  • 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].

  • 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.

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