CVE-2020-6072
criticalAn exploitable code execution vulnerability exists in the label-parsing functionality of Videolabs libmicrodns 0.1.0.
Vendor / product: Videolabs — libmicrodns
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.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2020-03-24 21:15
Modified: 2026-10-08 22:17
NVD status: Modified
Last synced 3 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
videolabs / libmicrodns 0.1.0
debian / debian_linux 9.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://security.gentoo.org/glsa/202005-10 talos-cna@cisco.com
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-0995 talos-cna@cisco.com
- https://www.debian.org/security/2020/dsa-4671 talos-cna@cisco.com
- https://security.gentoo.org/glsa/202005-10 af854a3a-2127-422b-91ae-364da2661108
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-0995 af854a3a-2127-422b-91ae-364da2661108
- https://www.debian.org/security/2020/dsa-4671 af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗