A path traversal vulnerability exists in viewcgi.c in the 2.0.7 through 2.2.26 legacy versions of the NCBI ToolBox, which may result in reading of arbitrary files (i.e., significant information disclosure) or file deletion via the nph-viewgif.cgi query string.

An XSS vulnerability exists in wwwblast.c in the 2.0.7 through 2.2.26 legacy versions of the NCBI ToolBox via a crafted -z1 argument.

A heap-based buffer overflow exists in nph-viewgif.cgi in the 2.0.7 through 2.2.26 legacy versions of the NCBI ToolBox.