Vulnerability in Eclipse Mosquitto
CVE-2019-11779
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 wi…
EPSS: 0.027 (84.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Eclipse Mosquitto
- The Eclipse Foundation Mosquitto — versions 1.5.0 to 1.6.5 inclusive
- Canonical Ubuntu_linux — versions 19.04
- Debian Debian_linux — versions 8.0, 10.0
- Fedoraproject Fedora — versions 29, 30, 31
- Opensuse Backports_sle — versions 15.0
- Opensuse Leap — versions 15.1
Weakness classification (CWE)
References
- emo@eclipse.org (x_refsource_CONFIRM, Vendor Advisory)
- emo@eclipse.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- emo@eclipse.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- emo@eclipse.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- emo@eclipse.org (x_refsource_FEDORA, vendor-advisory)
- emo@eclipse.org (x_refsource_FEDORA, vendor-advisory)
- emo@eclipse.org (x_refsource_FEDORA, vendor-advisory)
- emo@eclipse.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- emo@eclipse.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- emo@eclipse.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-11779?
- CVE-2019-11779 is a medium-severity vulnerability in Eclipse Mosquitto, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 6.5/10. Published 2019-09-19.
- How severe is CVE-2019-11779?
- Medium severity. CVSS v3 base score is 6.5 out of 10.