The CBounceDCCMod::OnPrivCTCP function in bouncedcc.cpp in the bouncedcc module in ZNC 0.200 and 0.202 allows remote attackers to cause a denial of service (crash) via a crafted DCC RESUME request.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 74.5%