high7.5
CVE-2026-8686
Missing bounds validation in the MQTT v5.0 property parser in coreMQTT before 5.0.1 allows an MQTT broker to cause a denial of service by sending a crafted pac…
Impact
Missing bounds validation in the MQTT v5.0 property parser in coreMQTT before 5.0.1 allows an MQTT broker to cause a denial of service by sending a crafted packet. To remediate this issue, users should upgrade to v5.0.1.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Freertos | Coremqtt | Version 5.0.0 |