[原文]Algorithmic complexity vulnerability in FreeStyle Wiki before 3.6.2 allows remote attackers to cause a denial of service (CPU consumption) by performing a diff between large, crafted pages that trigger the worst case.
FreeStyle Wiki Diff Generation Process Consumption DoS
Local Access Required
Denial of Service
Loss of Availability
FreeStyle Wiki contains a flaw that may allow a local denial of service. The issue is triggered when doing a diff between large pages, which will consume a large amount of CPU and memory resources resulting in loss of availability for the platform.
Upgrade to version 3.6.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.