CVE-2020-6079
HIGHlibmicrodns 0.1.0 - Denial of Service via mDNS Message Parsing
Title source: llmDescription
An exploitable denial-of-service vulnerability exists in the resource allocation handling of Videolabs libmicrodns 0.1.0. When encountering errors while parsing mDNS messages, some allocated data is not freed, possibly leading to a denial-of-service condition via resource exhaustion. An attacker can send one mDNS message repeatedly to trigger this vulnerability through decoding of the domain name performed by rr_decode.
References (3)
Core 3
Core References
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4671
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202005-10
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1002
Scores
CVSS v3
7.5
EPSS
0.0299
EPSS Percentile
85.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-401
Status
published
Products (3)
debian/debian_linux
9.0
debian/debian_linux
10.0
videolabs/libmicrodns
0.1.0
Published
Mar 24, 2020
Tracked Since
Feb 18, 2026