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Medium severity5.5NVD Advisory· Published Jan 1, 2022· Updated Jun 17, 2026

CVE-2021-45936

CVE-2021-45936

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

WolfSSL/wolfMQTT2 versions
cpe:2.3:a:wolfssl:wolfmqtt:1.9:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:wolfssl:wolfmqtt:1.9:*:*:*:*:*:*:*
- (no CPE)range: <=1.9
wolfSSL/wolfMQTTdescription

Patches

Vulnerability mechanics

References

3

github.com/wolfSSL/wolfMQTT/commit/84d4b53122e0fa0280c7872350b89d5777dabbb2nvdPatchThird Party Advisory
bugs.chromium.org/p/oss-fuzz/issues/detailnvdExploitIssue TrackingThird Party Advisory
github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfmqtt/OSV-2021-1348.yamlnvdExploitThird Party Advisory

News mentions

0

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