An issue was discovered in FastNetMon Community Edition through 1.2.7. The sFlow v5 plugin allows remote attackers to cause a denial of service (application crash) via a crafted packet that specifies many sFlow samples.
https://github.com/pavel-odintsov/fastnetmon/commit/65c40ee92dd5bcad1ab52cbafa1afd62cf669e48
https://github.com/pavel-odintsov/fastnetmon/commit/5164a29603fff9dd445b7660a35090989f005000