CVE-2023-0809

2023-10-0219:15:09

Debian Security Bug Tracker

security-tracker.debian.org

mosquitto

memory allocation

security vulnerability

5.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

0.0004 Low

EPSS

Percentile

13.4%

JSON

In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.

OSVersionArchitecturePackageVersionFilename
Debian12allmosquitto< 2.0.11-1.2+deb12u1mosquitto_2.0.11-1.2+deb12u1_all.deb
Debian11allmosquitto< 2.0.11-1+deb11u1mosquitto_2.0.11-1+deb11u1_all.deb
Debian999allmosquitto< 2.0.17-1mosquitto_2.0.17-1_all.deb
Debian13allmosquitto< 2.0.17-1mosquitto_2.0.17-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	mosquitto	< 2.0.11-1.2+deb12u1	mosquitto_2.0.11-1.2+deb12u1_all.deb
Debian	11	all	mosquitto	< 2.0.11-1+deb11u1	mosquitto_2.0.11-1+deb11u1_all.deb
Debian	999	all	mosquitto	< 2.0.17-1	mosquitto_2.0.17-1_all.deb
Debian	13	all	mosquitto	< 2.0.17-1	mosquitto_2.0.17-1_all.deb