CVE-2026-92693

A flaw was found in FastNetMon. This vulnerability allows an unauthenticated remote attacker to cause a Denial of Service DoS or potentially disclose memory contents. By sending a crafted network packet record containing a truncated IPv6 fragment header, an attacker triggers an out-of-bounds memo...

CVE-2026-92693 FastNetMon: IPv6 Fragment header dereferenced without bounds check in shared packet parser

FastNetMon is a high-performance DDoS detector and sensor. In version 1.2.9 and earlier, parserawpackettosimplepacketfull in src/simplepacketparserng.cpp dereferences ipv6extensionheaderfragmentt when IpProtocolNumberIPV6FRAG is present without first verifying that the eight-byte Fragment header...