CVE-2025-65104 | BDVDB-2026-327467 Detail

FirebirdSQLfirebird

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact high, availability impact low. Attack vector: local.

Weaknesses#

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References#

Exploit#

No public exploit known

History#

Version 12026-04-17Record published in the CVE List.

Published

Published: 2026-04-17
Last modified: 2026-04-17

Vendor information

Vendor: FirebirdSQL
Product: firebird

All FirebirdSQL vulnerabilities

Score

7.9 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 8.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Information Disclosure

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 4.0.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.9 High

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	Low
Integrity	High
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).