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Solution
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Workaround
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Fri, 18 Sep 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Nanomq
Nanomq nanomq |
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| Vendors & Products |
Nanomq
Nanomq nanomq |
Fri, 18 Sep 2026 21:30:00 +0000
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|---|---|---|
| Metrics |
ssvc
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Fri, 18 Sep 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | NanoMQ is an MQTT broker. Prior to 0.24.14, NanoMQ's MQTT v5 property decoder in nng/src/supplemental/mqtt/mqtt_codec.c uses property_append() to walk the entire linked list for each property added by decode_buf_properties(). A remote unauthenticated client can supply a PUBLISH or SUBSCRIBE packet containing many User Properties, causing O(N²) linked-list insertion and CPU work that makes the broker unresponsive; repeated packets can sustain the denial of service. This issue is fixed in version 0.24.14. | |
| Title | NanoMQ: O(N²) Denial of Service in MQTT v5 Property Parsing | |
| Weaknesses | CWE-407 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-09-18T17:21:50.284Z
Reserved: 2026-05-07T15:30:10.875Z
Link: CVE-2026-44639
Updated: 2026-09-18T17:19:25.454Z
Status : Deferred
Published: 2026-09-18T17:16:57.127
Modified: 2026-09-18T18:17:06.990
Link: CVE-2026-44639
No data.
OpenCVE Enrichment
Updated: 2026-09-18T22:00:12Z