An issue was discovered in Suricata 4.1.4. By sending multiple fragmented IPv4 packets, the function Defrag4Reassemble in defrag.c tries to access a memory region that is not allocated, because of a lack of header_len checking.
{ "binaries": [ { "binary_name": "libhtp-0.5.23-1", "binary_version": "3.2-2ubuntu3" }, { "binary_name": "suricata", "binary_version": "3.2-2ubuntu3" }, { "binary_name": "suricata-hyperscan", "binary_version": "3.2-2ubuntu3" }, { "binary_name": "suricata-oinkmaster", "binary_version": "3.2-2ubuntu3" } ] }