CVE-2023-54330

Critical

Published: 13/01/2026(UTC)Translated: 05/08/2026(UTC)NVD NIST

Summary

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 overwrite the Structured Exception Handler (SEH) and execute shellcode on vulnerable Windows systems.

Risk Assessment

Remote unauthenticated attack can lead to full system compromise, posing a critical threat to data confidentiality and integrity.

Recommendation

Immediately upgrade Inbit Messenger to a version newer than 4.9.0 or apply available security patches.

Original NVD description (English source)

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.