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Vulnerability details: VCID-19d5-ynh8-wba4
Vulnerability ID VCID-19d5-ynh8-wba4
Aliases CVE-2020-6079
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
System Score Found at
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
epss 0.01197 https://api.first.org/data/v1/epss?cve=CVE-2020-6079
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-6079
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-6079
archlinux Critical https://security.archlinux.org/AVG-1136
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6079
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6079
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Exploit Prediction Scoring System (EPSS)
Percentile 0.78035
EPSS Score 0.01197
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:35:47.359083+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.15/community.json 37.0.0