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

CVE-2021-45934

CVE-2021-45934

Description

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

AI Insight

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

Affected products

3

WolfSSL/wolfMQTTllm-fuzzy3 versions
<1.9+ 2 more
- (no CPE)range: <1.9
- cpe:2.3:a:wolfssl:wolfmqtt:1.9:*:*:*:*:*:*:*
- (no CPE)

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-2021-1204.yamlnvdExploitThird Party Advisory

News mentions

0

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