VULNERABILITY INTELLIGENCE

CVE-2019-11778

CVSS score5.4 MEDIUM
EPSS probability0.76%
CISA KEVNot currently listed
Published2019-09-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Description

If an MQTT v5 client connects to Eclipse Mosquitto versions 1.6.0 to 1.6.4 inclusive, sets a last will and testament, sets a will delay interval, sets a session expiry interval, and the will delay interval is set longer than the session expiry interval, then a use after free error occurs, which has the potential to cause a crash in some situations.

Weakness classification

  • emo@eclipse.org: CWE-416
  • nvd@nist.gov: CWE-416

Primary references