CVE-2023-34488
HIGH
7.8
CVSS Score
Published: June 12, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:03 AM UTC
1 product affected across 1 vendorNanomq
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Severity
HIGH7.8
Exploit prediction
EPSS 0.5%
SSVC
PoC
Description
NanoMQ 0.17.5 has a one-byte heap-based buffer over-read in the conn_handler function of mqtt_parser.c when it processes malformed messages.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
ExploitIssue TrackingPatchVendor Advisory
Source: [email protected]
https://github.com/emqx/nanomq/issues/1181SSVC — Action Prioritization
SSVCPoCNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-787CWE-122
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