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High severity7.5NVD Advisory· Published Oct 9, 2019· Updated Jun 17, 2026

CVE-2019-17389

CVE-2019-17389

Description

In RIOT 2019.07, the MQTT-SN implementation (asymcute) mishandles errors occurring during a read operation on a UDP socket. The receive loop ends. This allows an attacker (via a large packet) to prevent a RIOT MQTT-SN client from working until the device is restarted.

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Affected products

3
  • Riot OS/Riot2 versions
    cpe:2.3:o:riot-os:riot:2019.07:-:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:riot-os:riot:2019.07:-:*:*:*:*:*:*
    • (no CPE)range: 2019.07
  • RIOT/RIOTdescription

Patches

Vulnerability mechanics

References

1

News mentions

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