CVE-2021-45933: Buffer Overflow
First published: Fri Dec 31 2021(Updated: )
wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow (8 bytes) in MqttDecode_Publish (called from MqttClient_DecodePacket and MqttClient_HandlePacket).
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| wolfSSL wolfMQTT | =1.9 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-45933?
The severity of CVE-2021-45933 is medium.
What is the affected software of CVE-2021-45933?
The affected software of CVE-2021-45933 is wolfSSL wolfMQTT 1.9.
How can I fix CVE-2021-45933?
To fix CVE-2021-45933, update your wolfSSL wolfMQTT version to the latest release.
What is the CWE ID of CVE-2021-45933?
The CWE ID of CVE-2021-45933 is CWE-119 and CWE-787.
Where can I find more information about CVE-2021-45933?
You can find more information about CVE-2021-45933 at the following references: [link1](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38237), [link2](https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfmqtt/OSV-2021-1211.yaml), [link3](https://github.com/wolfSSL/wolfMQTT/commit/84d4b53122e0fa0280c7872350b89d5777dabbb2).
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