CVE-2025-65104

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.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-25)

CWE

CWE-200

Published

2026-04-17

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• firebirdsql:firebird

References

• https://github.com/FirebirdSQL/firebird/releases/tag/v4.0.0
• https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-mfpr-9886-xjhg

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