Executive Summary

This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Title libmicrodns: Multiple vulnerabilities
Name GLSA-202005-10 First vendor Publication 2020-05-14
Vendor Gentoo Last vendor Modification 2020-05-14
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores



Multiple vulnerabilities have been found in libmicrodns, the worst of which could result in the arbitrary execution of code.


libmicrodns is an mDNS library, focused on being simple and cross-platform.


Multiple vulnerabilities have been discovered in libmicrodns. Please review the CVE identifiers and the upstream advisory referenced below for details.


Please review the referenced CVE identifiers for details.


There is no known workaround at this time.


All libmicrodns users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/libmicrodns-0.1.2"


[ 1 ] CVE-2020-6071 : https://nvd.nist.gov/vuln/detail/CVE-2020-6071
[ 2 ] CVE-2020-6072 : https://nvd.nist.gov/vuln/detail/CVE-2020-6072
[ 3 ] CVE-2020-6073 : https://nvd.nist.gov/vuln/detail/CVE-2020-6073
[ 4 ] CVE-2020-6077 : https://nvd.nist.gov/vuln/detail/CVE-2020-6077
[ 5 ] CVE-2020-6078 : https://nvd.nist.gov/vuln/detail/CVE-2020-6078
[ 6 ] CVE-2020-6079 : https://nvd.nist.gov/vuln/detail/CVE-2020-6079
[ 7 ] CVE-2020-6080 : https://nvd.nist.gov/vuln/detail/CVE-2020-6080
[ 8 ] VideoLAN-SB-VLC-309


This GLSA and any updates to it are available for viewing at the Gentoo Security Website:


Original Source

Url : http://security.gentoo.org/glsa/glsa-202005-10.xml

CWE : Common Weakness Enumeration

% Id Name
25 % CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
12 % CWE-674 Uncontrolled Recursion
12 % CWE-476 NULL Pointer Dereference
12 % CWE-415 Double Free
12 % CWE-252 Unchecked Return Value
12 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)
12 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

Application 1

Alert History

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Date Informations
2020-05-23 13:03:44
  • Multiple Updates
2020-05-15 05:18:29
  • First insertion