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High severity7.5NVD Advisory· Published Nov 7, 2017· Updated Jun 17, 2026

CVE-2017-2893

CVE-2017-2893

Description

An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

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Affected products

2
  • Cesanta/Mongoose2 versions
    cpe:2.3:a:cesanta:mongoose:6.8:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:cesanta:mongoose:6.8:*:*:*:*:*:*:*
    • (no CPE)range: 6.8

Patches

Vulnerability mechanics

References

1

News mentions

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