CVE-2026-76445

CVE-2026-76445 · Multiple Cisco Products Snort 3 Denial of Service Vulnerability

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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.

CVSS 5.3 · Media · EPSS 0,5%

Publicación

2026-10-21T16:14:39.374Z

Actualización

2026-10-22T19:11:11.783Z

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