CVE-2026-8686 (GCVE-0-2026-8686)
Vulnerability from cvelistv5
Published
2026-05-15 18:38
Modified
2026-05-15 20:22
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
Summary
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.
References
Impacted products
Vendor Product Version
FreeRTOS coreMQTT Version: 5.0.0   <
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