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High severity7.5NVD Advisory· Published Jun 8, 2023· Updated Jun 17, 2026

CVE-2023-33657

CVE-2023-33657

Description

A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.

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Affected products

3
  • Emqx/Nanomq3 versions
    cpe:2.3:a:emqx:nanomq:0.17.2:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:emqx:nanomq:0.17.2:*:*:*:*:*:*:*
    • (no CPE)
    • (no CPE)range: =0.17.2

Patches

Vulnerability mechanics

References

2

News mentions

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