CVE-2026-20019

Multiple Cisco products are affected by a vulnerability in the Snort 3 NetFlow Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is due to incomplete error...

CVE-2026-20019

Multiple Cisco products are affected by a Denial of Service (DoS) vulnerability in the Snort 3 NetFlow Detection Engine . The root cause is incomplete error checking during the parsing of UDP Netflow Protocol packets . An unauthenticated, remote attacker can exploit this by sending a single craft...

EUVD-2026-107371

Multiple Cisco products are affected by a vulnerability in the Snort 3 NetFlow Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is due to incomplete error...

CVE-2026-20019 Multiple Cisco Products Snort 3 Netflow Denial of Service Vulnerabilities

Multiple Cisco products are affected by a vulnerability in the Snort 3 NetFlow Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is due to incomplete error...