CVE-2019-11779

MEDIUM

Eclipse Mosquitto <1.7 - Buffer Overflow

Title source: llm
STIX 2.1

Description

In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.

References (10)

Core 10
Core References
Vendor Advisory x_refsource_confirm
https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4137-1/
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/10/msg00035.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2019/dsa-4570
Mailing List, Third Party Advisory mailing-list x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Nov/25

Scores

CVSS v3 6.5
EPSS 0.0571
EPSS Percentile 90.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-754 CWE-674
Status published
Products (9)
canonical/ubuntu_linux 19.04
debian/debian_linux 8.0
debian/debian_linux 10.0
eclipse/mosquitto 1.5 - 1.5.9
fedoraproject/fedora 29
fedoraproject/fedora 30
fedoraproject/fedora 31
opensuse/backports_sle 15.0 sp1
opensuse/leap 15.1
Published Sep 19, 2019
Tracked Since Feb 18, 2026