To remediate this issue, users should upgrade to v5.0.1.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Fri, 15 May 2026 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Fri, 15 May 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | DoS from MQTT v5.0 Deserialization Fault in core MQTT | |
| First Time appeared |
Freertos
Freertos coremqtt |
|
| Weaknesses | CWE-125 | |
| CPEs | cpe:2.3:a:freertos:coremqtt:5.0.0:*:*:*:*:*:*:* | |
| Vendors & Products |
Freertos
Freertos coremqtt |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: AMZN
Published:
Updated: 2026-05-15T20:22:58.148Z
Reserved: 2026-05-15T14:25:50.894Z
Link: CVE-2026-8686
Updated: 2026-05-15T20:22:54.887Z
Status : Received
Published: 2026-05-15T19:17:05.057
Modified: 2026-05-15T19:17:05.057
Link: CVE-2026-8686
No data.
OpenCVE Enrichment
Updated: 2026-05-15T22:30:06Z