HIGH

CVE-2020-6078

CVSS v3

7.5

HIGH

EPSS Score

3.1 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-6078 yet.

Full record on NVD

Description

An exploitable denial-of-service vulnerability exists in the message-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing mDNS messages in mdns_recv, the return value of the mdns_read_header function is not checked, leading to an uninitialized variable usage that eventually results in a null pointer dereference, leading to service crash. An attacker can send a series of mDNS messages to trigger this vulnerability.

Technical details

Published: 2020-03-24

Frequently asked questions

What is CVE-2020-6078?

Is CVE-2020-6078 actively exploited?

Active exploitation of CVE-2020-6078 has not been confirmed. Its EPSS score was 3.1% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-6078?

CVE-2020-6078 has a CVSS v3 base score of 7.5 (HIGH severity).

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