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CVE-2020-6072
CRITICAL
An exploitable code execution vulnerability exists in the label-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing compressed labels in mDNS messages, the rr_decode function's return value is not checked, leading to a double free that could be exploited to execute arbitrary code. An attacker can send an mDNS message to trigger this vulnerability.
Published: Mar 24, 2020
Modified: Jun 17, 2026
CWE-415
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (2)
| Vendor | Product | Version |
|---|---|---|
| videolabs | libmicrodns | 0.1.0 |
| debian | debian_linux | 9.0 |
GitHub Security Advisory GHSA-jqrj-pmvg-62w8
An exploitable code execution vulnerability exists in the label-parsing functionality of...
References (6)
- https://security.gentoo.org/glsa/202005-10 Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-0995 Exploit, Technical Description, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4671 Third Party Advisory
- https://security.gentoo.org/glsa/202005-10 Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-0995 Exploit, Technical Description, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4671 Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
3.73%
Top 11% most likely to be exploited
Threat Score
40.3 / 100
Data Sources
NVD
EPSS
GitHub