CVE-2009-2620

Severity CVSS v4.0:

Pending analysis

Type:

CWE-20 Input Validation

Publication date:

29/07/2009

Last modified:

10/10/2025

Description

src/remote/server.cpp in fbserver.exe in Firebird SQL 1.5 before 1.5.6, 2.0 before 2.0.6, 2.1 before 2.1.3, and 2.5 before 2.5 Beta 2 allows remote attackers to cause a denial of service (daemon crash) via a malformed op_connect_request message that triggers an infinite loop or NULL pointer dereference.

Impact

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:firebirdsql:firebird::::::::	1.5 (including)	1.5.6 (excluding)
cpe:2.3:a:firebirdsql:firebird::::::::	2.0.0 (including)	2.0.6 (excluding)
cpe:2.3:a:firebirdsql:firebird::::::::	2.1 (including)	2.1.3 (excluding)
cpe:2.3:a:firebirdsql:firebird:2.5.0:-::::::
cpe:2.3:a:firebirdsql:firebird:2.5.0:alpha1::::::
cpe:2.3:a:firebirdsql:firebird:2.5.0:beta1::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2009-2620

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools