CVE-2025-65104: Firebird is an open-source relational database management system. In versions FB3 of the client library placed…
CVE-2025-65104 · Severity: high · CVSS 7.9 · Published 2026-04-17
Firebird is an open-source relational database management system. In versions FB3 of the client library placed incorrect data length values into XSQLDA fields when communicating with FB4 or higher servers, resulting in an information leak. This issue is fixed by upgrading to the FB4 client or higher.
No. Junglewise Threat Intelligence has no report of CVE-2025-65104 being exploited in the wild.
How severe is CVE-2025-65104?
High severity, with a CVSS score of 7.9, published 17 April 2026.
Which products and versions are affected?
Firebirdsql Firebird. The advisory does not name versions.
Is there a fix for CVE-2025-65104?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-65104?
Check whether you run Firebirdsql Firebird. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.