Multiple Cisco Products Snort 3 Denial of Service Vulnerability
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 successfu
Read at Cisco PSIRT Security Advisories
- Vendor
- Cisco
- Product
- Snort
- EPSS
- 0.005 (p45)
- Exposure class
- Endpoint security
Why it ranks 25 (Notable)
- Product class: endpoint security
- Widely deployed vendor product (Cisco)
- Covered by 2 independent sources
- Vendor security advisory
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- Cisco PSIRT Security Advisories (sec.cloudapps.cisco.com)
- CVE-2026-76445 on this site · NVD · CVE.org · Vulnpedia
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