CVE-2021-41039

EUVD-2021-28191
In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
Affected Products (NVD)
VendorProductVersion
eclipsemosquitto
1.6 ≤
𝑥
≤ 2.0.11
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mosquitto
bookworm
2.0.11-1.2+deb12u1
fixed
bookworm (security)
2.0.11-1.2+deb12u1
fixed
bullseye
2.0.11-1+deb11u1
fixed
bullseye (security)
2.0.11-1+deb11u1
fixed
buster
not-affected
sid
2.0.20-1
fixed
stretch
not-affected
trixie
2.0.20-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mosquitto
bionic
not-affected
focal
Fixed 1.6.9-1ubuntu0.1~esm1
released
hirsute
ignored
impish
ignored
jammy
Fixed 2.0.11-1ubuntu1.1
released
kinetic
ignored
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
not-affected
xenial
not-affected
Common Weakness Enumeration
References
https://bugs.eclipse.org/bugs/show_bug.cgi?id=575314
https://www.debian.org/security/2023/dsa-5511
https://bugs.eclipse.org/bugs/show_bug.cgi?id=575314
https://www.debian.org/security/2023/dsa-5511