cbcvebase.
CVE-2026-20058
published 2026-03-04

CVE-2026-20058: Multiple Cisco products are affected by vulnerabilities in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3…

medium5.8CVSS 3.1
AVNACLPRNUINSCCNINAL
Multiple Cisco products are affected by vulnerabilities in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash. These vulnerabilities are due to improper error checking when decompressing VBA data. An attacker could exploit these vulnerabilities by sending crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to unexpectedly restart, causing a DoS condition.

Affected

68 ranges· showing 25
VendorProductVersion rangeFixed in
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software
ciscocisco_secure_firewall_threat_defense_software