VULNERABILITY INTELLIGENCE

CVE-2023-0809

CVSS score5.8 MEDIUM
EPSS probability0.71%
CISA KEVNot currently listed
Published2023-10-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Description

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

Weakness classification

  • CWE-770: Allocation of Resources Without Limits or Throttling
  • CWE-789: Memory Allocation with Excessive Size Value

Primary references