Resource Management Errors
Opera before 11.50 allows remote attackers to cause a denial of service (disk consumption) via invalid URLs that trigger creation of error pages.
CWE-399 - Resource Management Errors
Resource management errors is not a weakness in and of itself, rather it is a category of weaknesses related to improper management of system resources. If not addressed, the weaknesses in this category can lead to unexpected software behavior, loss of access, file modification, sensitive information disclosure, system crash, denial of service, and code execution.