Unspecified vulnerability in the server in Firebird before 2.0.2, when a Superserver/TCP/IP environment is configured, allows remote attackers to cause a denial of service (CPU and memory consumption) via "large network packets with garbage", aka CORE-1397.
https://exchange.xforce.ibmcloud.com/vulnerabilities/36355
http://www.vupen.com/english/advisories/2007/3021
http://www.securityfocus.com/bid/25497
http://www.firebirdsql.org/rlsnotes/Firebird-2.0.2-ReleaseNotes.pdf
http://www.firebirdsql.org/index.php?op=files&id=engine_202
http://www.debian.org/security/2008/dsa-1529
http://tracker.firebirdsql.org/browse/CORE-1397
http://sourceforge.net/project/shownotes.php?release_id=535898