What’s Vulnerable › Vulnerabilities

CVE-2017-2909

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-07 · updated 2026-06-17
• Weakness: CWE-835

Description

An infinite loop programming error exists in the DNS server functionality of Cesanta Mongoose 6.8 library. A specially crafted DNS request can cause an infinite loop resulting in high CPU usage and Denial Of Service. An attacker can send a packet over the network to trigger this vulnerability.

Affected products

• Cesanta Mongoose: 6.8

References

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0416
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0416

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