CVE-2025-65104— Firebird: Information leak vulnerability in firebird3 client when used with newer server
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I. Basic Information for CVE-2025-65104
Vulnerability Information
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Vulnerability Title
Firebird: Information leak vulnerability in firebird3 client when used with newer server
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Firebird 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Firebird是Firebird基金会的一套开源跨平台的提供多个ANSI SQL-92功能的关系型数据库管理系统。 Firebird FB3版本存在安全漏洞，该漏洞源于客户端库与FB4或更高版本服务器通信时数据长度值放置错误，可能导致信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| FirebirdSQL | firebird | < 4.0.0 | - |
II. Public POCs for CVE-2025-65104
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · FirebirdSQL · 2026-04-17 · 9 CVEs total
| CVE-2026-40342 | 10.0 CRITICAL | Firebird: Path Traversal + Arbitrary File Write Leads to Remote Code Execution |
| CVE-2026-27890 | 8.2 HIGH | Firebird has Pre-Auth DOS when Processing Out of Order CNCT_specific_data Segments |
| CVE-2026-28224 | 8.2 HIGH | Firebird Null Pointer Dereference via CryptCallback causes DOS |
| CVE-2026-35215 | 7.5 HIGH | Firebird: DoS via malicious slice descriptor in slice packet |
| CVE-2026-34232 | 7.5 HIGH | Firebird: DoS via `op_response` packet from client |
| CVE-2026-28212 | 7.5 HIGH | Firebird has potential server crash via null pointer dereference when processing op_slice |
| CVE-2026-33337 | 7.5 HIGH | Firebird has a buffer overflow when parsing corrupted slice packets |
| CVE-2026-28214 | Firebird server hangs when using specific clumplet on batch creation |
IV. Related Vulnerabilities
Same product: firebird
- CVE-2026-40342
Firebird: Path Traversal + Arbitrary File Write Leads to Rem - CVE-2026-35215
Firebird: DoS via malicious slice descriptor in slice packet - CVE-2026-34232
Firebird: DoS via `op_response` packet from client - CVE-2026-33337
Firebird has a buffer overflow when parsing corrupted slice - CVE-2026-28224
Firebird Null Pointer Dereference via CryptCallback causes D
Same vendor: FirebirdSQL
- CVE-2026-40342
Firebird: Path Traversal + Arbitrary File Write Leads to Rem - CVE-2026-35215
Firebird: DoS via malicious slice descriptor in slice packet - CVE-2026-34232
Firebird: DoS via `op_response` packet from client - CVE-2026-33337
Firebird has a buffer overflow when parsing corrupted slice - CVE-2026-28224
Firebird Null Pointer Dereference via CryptCallback causes D
Same weakness: CWE-200
- CVE-2026-45351
Open WebUI: Exposure of System Prompt to Regular User [Non-A - CVE-2026-45387
Open WebUI: Sharing models for others to use (read permissio - CVE-2026-41960
Calls权限控制漏洞影响可用性 - CVE-2026-41615
Microsoft Authenticator Information Disclosure Vulnerability - CVE-2026-0245
Prisma Access Agent: Information Disclosure Vulnerabilities
V. Comments for CVE-2025-65104
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