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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…
Medium5.0EPSS 8.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 8.6% · top 4.9% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (7)
- 35842 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FEDORA-2009-8317 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://www.coresecurity.com/content/firebird-sql-dos (opens in a new tab)x_refsource_MISCx_transferred
- 9295 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- FEDORA-2009-8340 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=514463 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://tracker.firebirdsql.org/browse/CORE-2563 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-2620)Record last updated .