Buffer overflow in Inbit Messenger

CVE-2023-54330

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 design…

Vulnerability class: Buffer Overflow

EPSS: 0.007 (47.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-54330?
CVE-2023-54330 is a critical-severity vulnerability in Inbit Messenger, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-01-13.
How severe is CVE-2023-54330?
Critical severity. CVSS v3 base score is 9.8 out of 10.