What’s Vulnerable › Vulnerabilities

CVE-2020-6071

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-03-24 · updated 2026-10-08
• Weakness: CWE-674

Description

An exploitable denial-of-service vulnerability exists in the resource record-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing compressed labels in mDNS messages, the compression pointer is followed without checking for recursion, leading to a denial of service. An attacker can send an mDNS message to trigger this vulnerability.

Affected products

• Debian Linux: 9.0
• Videolabs Libmicrodns: 0.1.0

References

• https://security.gentoo.org/glsa/202005-10
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-0994
• https://www.debian.org/security/2020/dsa-4671
• https://security.gentoo.org/glsa/202005-10
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-0994
• https://www.debian.org/security/2020/dsa-4671

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