CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVE-2019-11779
Medium (6.5). EPSS 2.7% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 2.7% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-674, CWE-754
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- debian:debian_linux
- eclipse:mosquitto
- fedoraproject:fedora
- opensuse:backports_sle
- opensuse:leap
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.html
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160
- https://lists.debian.org/debian-lts-announce/2019/10/msg00035.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/