Is CVE-2026-82120 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-82120?

CVE-2026-82120 has a CVSS v3 severity of CRITICAL (9.8).

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CVE-2026-82120

Description

Heap-based Buffer Overflow Vulnerability in HiRDB. This issue affects HiRDB Server Version 10: from 10-00 before 10-12-01; HiRDB Server Version 9: from 09-00 through 09-66-22; HiRDB Server with Additional Function Version 9: from 09-00 through 09-66/V; HiRDB Server Version 9(32): from 09-02 through 09-66-22; HiRDB Server with Additional Function Version 9(32): from 09-00 through 09-66-/V.