Multiple Cisco Products Snort 3 Denial of Service Vulnerability
At a glance
Severity
MEDIUM 5.3
EPSS
EPSS 0.53 % · percentile 44 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
cisco
NVD status
Awaiting Analysis
Description
Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the detection engine to unexpectedly restart, resulting in a denial of service (DoS) condition.
The vulnerability is due to a flaw in logic handling when General Packet Radio Service (GPRS) Tunneling Protocol (GTP) extension headers are processed within the codec. An attacker could exploit this vulnerability by sending a crafted, fragmented UDP datagram that contains these headers to the Snort 3 Detection Engine of an affected device. A successful exploit could allow the attacker to cause the detection engine to enter an infinite loop, resulting in a DoS condition.
