CVE-2009-2620
MEDIUM · CVSS 5.0EPSS 8.6%EU EUVD
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 8.6% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2615)
- Published
- July 29, 2009
- NVD last modified
- June 16, 2026
- Status
- Analyzed
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2615 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- firebirdsql / firebird
- firebirdsql / firebird
- firebirdsql / firebird
- firebirdsql / firebird
References
- http://tracker.firebirdsql.org/browse/CORE-2563(Vendor Advisory)
- http://www.coresecurity.com/content/firebird-sql-dos(Exploit)
- http://www.exploit-db.com/exploits/9295(Exploit)
- http://www.securityfocus.com/bid/35842(Exploit, Patch)
- https://bugzilla.redhat.com/show_bug.cgi?id=514463(Issue Tracking)
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01341.html(Broken Link)
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01370.html(Broken Link)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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