FileZilla Server before 0.9.22 allows remote attackers to cause a denial of service (crash) via a malformed argument to the STOR command, which results in a NULL pointer dereference. NOTE: CVE analysis suggests that the problem might be due to a malformed PORT command.

Multiple buffer overflows in FileZilla before 2.2.30a allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors related to (1) Options.cpp when storing settings in the registry, and (2) the transfer queue (QueueCtrl.cpp). NOTE: some of these details are obtained from third party information.