CVE-2026-82118

Summary

A stack-based buffer overflow in HiRDB Server allows remote attackers to overwrite the stack and potentially execute arbitrary code without authentication by sending a specially crafted request to the database server.

Exploitability

Exploitation is straightforward for remote attackers since no authentication, user interaction, or special conditions are required (CVSS vector AV:N/AC:L/PR:N/UI:N).

Blast radius

Successful exploitation could lead to full system compromise including remote code execution, data exfiltration, and service disruption on any affected HiRDB instance exposed to the network.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Upgrade HiRDB Server Version 10 to 10-12-01 or later; upgrade HiRDB Server Version 9 to 09-66-23 or later (if available); upgrade HiRDB Server with Additional Function Version 9 to 09-66/V or later (if available); upgrade HiRDB Server Version 9(32) to 09-66-23 or later; upgrade HiRDB Server with Additional Function Version 9(32) to 09-66-/V or later.

Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.