GNU Barcode is a tool to convert text strings to printed bars. It supports a variety of standard codes to represent the textual strings and creates postscript output.
GNU Barcode suffers from a memory leak vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service). The vulnerability is caused due to an error in the 'cmdline.c', which can be exploited to cause a memory leak via a specially crafted file. The vulnerability is confirmed in version 0.99. Other versions may also be affected.