FirebirdSQL Firebird up to 3.x information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.6$0-$5k4.61-

Summaryinfo

A vulnerability was found in FirebirdSQL Firebird up to 3.x. It has been classified as problematic. This vulnerability affects unknown code. The manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2025-65104. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in FirebirdSQL Firebird up to 3.x and classified as problematic. This issue affects an unknown code block. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-65104 since 11/17/2025. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 307398 (Linux Distros Unpatched Vulnerability : CVE-2025-65104), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.0.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (307398). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.9
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 307398
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-65104

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Firebird 4.0.0

Timelineinfo

11/17/2025 CVE reserved
04/17/2026 +150 days Advisory disclosed
04/17/2026 +0 days VulDB entry created
04/18/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-mfpr-9886-xjhg
Status: Confirmed

CVE: CVE-2025-65104 (🔒)
GCVE (CVE): GCVE-0-2025-65104
GCVE (VulDB): GCVE-100-358097

Entryinfo

Created: 04/17/2026 22:28
Updated: 04/18/2026 08:17
Changes: 04/17/2026 22:28 (66), 04/18/2026 08:17 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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