CVE-2009-2620

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.

• CWE-20

• http://tracker.firebirdsql.org/browse/CORE-2563Vendor Advisory
• http://www.coresecurity.com/content/firebird-sql-dosExploit
• http://www.exploit-db.com/exploits/9295Exploit
• http://www.securityfocus.com/bid/35842Exploit, Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=514463Issue Tracking
• https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01341.htmlBroken Link
• https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01370.htmlBroken Link
• http://tracker.firebirdsql.org/browse/CORE-2563Vendor Advisory
• http://www.coresecurity.com/content/firebird-sql-dosExploit
• http://www.exploit-db.com/exploits/9295Exploit
• http://www.securityfocus.com/bid/35842Exploit, Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=514463Issue Tracking
• https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01341.htmlBroken Link
• https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01370.htmlBroken Link

Published

Jul 29, 2009

Last Modified

Jun 16, 2026

Status

Analyzed

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