CVE-2023-0809
MEDIUM
5.3
CVSS Score
Published: October 2, 2023 at 06:56 PM UTC
Updated: June 17, 2026 at 05:26 AM UTC
1 product affected across 1 vendorMosquitto
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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.7%
SSVC
No known exploit
Description
In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-789CWE-770
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