CVE-2023-54330
Critical
Description
Inbit Messenger versions 4.6.0 to 4.9.0 contain a remote stack-based buffer overflow vulnerability that allows unauthenticated attackers to execute arbitrary code by sending malformed network packets. Attackers can craft a specially designed payload targeting the messenger's network handler to overwrite the Structured Exception Handler (SEH) and execute shellcode on vulnerable Windows systems.
SeverityCritical
CVSS9.8
Exploit probability—
ProductInbit Messenger
PublishedJan 13, 2026
First seenJan 13, 2026
Weakness typeCWE-121CWE-121
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| inbit inbit_messenger | 4.6.0 ≤ v ≤ 4.9.0 | — |
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