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CVE-2025-65104

Firebird: Information leak vulnerability in firebird3 client when used with newer server

Published: Apr 17, 2026Updated: Apr 24, 2026 Sources: CVE List NVD BDUCWE-200
7.9HIGH
NVD MITRE
EPSS Score
0.2%
Top 91.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:CC:LI:HA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:HIntegrity
High
A:LAvailability
Low
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Weaknesses

CWE-200NVD-CWE-noinfo

Affected Products

FirebirdSQL
oss-projectaka firebird
firebirdOn-prem
Databases / relational
Fedora Project
oss-project·USaka fedora
Fedora EPELOn-prem
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
Firebird Foundation Inc.
oss-projectaka firebird
FirebirdOn-prem
Databases / relational
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
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References

https://github.com/FirebirdSQL/firebird/releases/tag/v4.0.0
github.com
https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-mfpr-9886-xjhg
github.com
https://github.com/FirebirdSQL/firebird/releases/tag/v4.0.0
github.com
and 2 more references View all →

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