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No exploitation reportedFix available

CVE-2020-6071

No exploitation reported by the sources we read.

  • Published2020-03-24
  • WeaknessCWE-674

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-03-2421:15CVE publishedNVD

Versions per branch

NVD
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published
Videolabs libmicrodns
BranchAffectedFixed in
0.1= 0.1.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As talos, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Videolabs
    Affected
    • = Videolabs libmicrodns 0.1.0no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-04-19

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • libmicrodnsUbuntu:Pro:18.04:LTSall versions · fixed in 0.0.8-1ubuntu0.1~esm1
  • libmicrodnsDebian:14all versions · fixed in 0.2.0-1
  • libmicrodnsDebian:13all versions · fixed in 0.2.0-1
  • vlcUbuntu:Pro:18.04:LTSall versions · fixed in 3.0.8-0ubuntu18.04.1+esm3
  • vlcMageia:7all versions · fixed in 3.0.10-1.mga7.tainted
  • vlcMageia:7all versions · fixed in 3.0.10-1.mga7
  • vlcDebian:14all versions · fixed in 3.0.8-4
  • vlcDebian:13all versions · fixed in 3.0.8-4

18 more package ranges on OSV.dev

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionnone2026-10-08
  • CNACVSS 3.17.5known since 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • NVDweakness (CWE)CWE-674read 2026-10-23
  • FIRST EPSSEPSS score2.5 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-03-24
Last Modified
2026-10-08
NVD status
Modified
GitHub Advisory
GHSA-g97q-39hw-52p8

Frequently asked questions

What is CVE-2020-6071?

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.

Is CVE-2020-6071 actively exploited?

Active exploitation of CVE-2020-6071 has not been confirmed. Its EPSS score was 2.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-6071?

CVE-2020-6071 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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