PT-2009-5020

CVE-2009-2620

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Published

2009-07-29

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Updated

2025-10-10

Description by

CVSS 2.0
5.0
Medium
MetricsAV:N/AC:L/Au:N/C:N/I:N/A:P
Name of the Vulnerable Software and Affected Versions Firebird SQL versions 1.5 through 1.5.5 Firebird SQL versions 2.0 through 2.0.5 Firebird SQL versions 2.1 through 2.1.2 Firebird SQL versions 2.5 through 2.5 Beta 1
Description The issue allows remote attackers to cause a denial of service, resulting in a daemon crash. This is achieved by sending a malformed op connect request message, which can trigger an infinite loop or a NULL pointer dereference in the src/remote/server.cpp component of fbserver.exe.
Recommendations For Firebird SQL versions 1.5 through 1.5.5, update to version 1.5.6 or later. For Firebird SQL versions 2.0 through 2.0.5, update to version 2.0.6 or later. For Firebird SQL versions 2.1 through 2.1.2, update to version 2.1.3 or later. For Firebird SQL versions 2.5 through 2.5 Beta 1, update to version 2.5 Beta 2 or later.
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