Debian Security Advisory 1539-1 - Chris Schmidt and Daniel Morissette discovered two vulnerabilities in mapserver, a development environment for spatial and mapping applications. Lack of input sanitizing and output escaping in the CGI mapserver's template handling and error reporting routines leads to cross-site scripting vulnerabilities. Missing bounds checking in mapserver's template handling leads to a stack-based buffer overrun vulnerability, allowing a remote attacker to execute arbitrary code with the privileges of the CGI or httpd user.
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