CVE-2026-19673

ethernetrecv in subsys/net/l2/ethernet/ethernet.c validates only that the first netbuf of a received frame holds a plain 14-byte struct netethhdr. When the ethertype is 0x8100 and VLAN is enabled on the interface, the same buffer is reinterpreted as the 18-byte struct netethvlanhdr without...

CVE-2019-10056: Out-of-bounds Write

An issue was discovered in Suricata 4.1.3. The code mishandles the case of sending a network packet with the right type, such that the function DecodeEthernet in decode-ethernet.c is executed a second time. At this point, the algorithm cuts the first part of the packet and doesn't determine the...