Mozilla: Drag and Dropped Filenames could have been truncated to malicious extensions

The Mozilla Foundation Security Advisory describes this flaw as: A file with a long filename could have had its filename truncated to remove the valid extension, leaving a malicious extension in its place. This could potentially led to user confusion and the execution of malicious code...

CVE-2004-2530

Visual truncation vulnerability in Gadu-Gadu allows remote attackers to spoof the file extension on transmitted files via a filename with a large number of spaces followed by the real extension, which is not displayed in the dialog box...