Common Vulnerabilities and Exposures assigned an identifier CVE-2007-6039 to the following vulnerability: PHP 5.2.5 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a long string in (1) the domain parameter to the dgettext function, the message parameter to the (2) dcgettext or (3) gettext function, the msgid1 parameter to the (4) dngettext or (5) ngettext function, or (6) the classname parameter to the stream_wrapper_register function. NOTE: this might not be a vulnerability in most web server environments that support multiple threads, unless this issue can be demonstrated for code execution. References: http://www.securityfocus.com/archive/1/archive/1/483648/100/0/threaded http://www.securityfocus.com/archive/1/archive/1/483644/100/0/threaded http://www.securityfocus.com/bid/26426 http://www.securityfocus.com/bid/26428 http://securityreason.com/securityalert/3365 http://securityreason.com/securityalert/3366 http://xforce.iss.net/xforce/xfdb/38443 http://xforce.iss.net/xforce/xfdb/38442
The arguments to the functions in question should always be under the control of the script author, rather than untrusted script input, so these issues would not be treated as security-sensitive. (See also bug 169857)