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CVE-2026-20058 Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability

🗓️ 04 Mar 2026 17:47:14Reported by ciscoType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Unauthenticated remote attacker can crash Snort 3 via improper error checking on Visual Basic for Applications data.

Related
Affected
Refs
[
  {
    "vendor": "Cisco",
    "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
    "versions": [
      {
        "version": "7.2.0",
        "status": "affected"
      },
      {
        "version": "7.2.0.1",
        "status": "affected"
      },
      {
        "version": "7.2.1",
        "status": "affected"
      },
      {
        "version": "7.3.0",
        "status": "affected"
      },
      {
        "version": "7.2.2",
        "status": "affected"
      },
      {
        "version": "7.2.3",
        "status": "affected"
      },
      {
        "version": "7.3.1",
        "status": "affected"
      },
      {
        "version": "7.2.4",
        "status": "affected"
      },
      {
        "version": "7.2.5",
        "status": "affected"
      },
      {
        "version": "7.2.4.1",
        "status": "affected"
      },
      {
        "version": "7.3.1.1",
        "status": "affected"
      },
      {
        "version": "7.4.0",
        "status": "affected"
      },
      {
        "version": "7.2.5.1",
        "status": "affected"
      },
      {
        "version": "7.4.1",
        "status": "affected"
      },
      {
        "version": "7.2.6",
        "status": "affected"
      },
      {
        "version": "7.4.1.1",
        "status": "affected"
      },
      {
        "version": "7.2.7",
        "status": "affected"
      },
      {
        "version": "7.2.5.2",
        "status": "affected"
      },
      {
        "version": "7.3.1.2",
        "status": "affected"
      },
      {
        "version": "7.2.8",
        "status": "affected"
      },
      {
        "version": "7.6.0",
        "status": "affected"
      },
      {
        "version": "7.4.2",
        "status": "affected"
      },
      {
        "version": "7.2.8.1",
        "status": "affected"
      },
      {
        "version": "7.4.2.1",
        "status": "affected"
      },
      {
        "version": "7.2.9",
        "status": "affected"
      },
      {
        "version": "7.7.0",
        "status": "affected"
      },
      {
        "version": "7.4.2.2",
        "status": "affected"
      },
      {
        "version": "7.2.10",
        "status": "affected"
      },
      {
        "version": "7.6.1",
        "status": "affected"
      },
      {
        "version": "7.4.2.3",
        "status": "affected"
      },
      {
        "version": "7.6.2",
        "status": "affected"
      },
      {
        "version": "7.7.10",
        "status": "affected"
      },
      {
        "version": "7.6.2.1",
        "status": "affected"
      },
      {
        "version": "7.7.10.1",
        "status": "affected"
      },
      {
        "version": "7.4.2.4",
        "status": "affected"
      },
      {
        "version": "7.2.10.2",
        "status": "affected"
      },
      {
        "version": "7.4.3",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Cisco",
    "product": "Cisco UTD SNORT IPS Engine Software",
    "versions": [
      {
        "version": "17.9.3a",
        "status": "affected"
      },
      {
        "version": "17.12.1a",
        "status": "affected"
      },
      {
        "version": "17.12.2",
        "status": "affected"
      },
      {
        "version": "17.13.1a",
        "status": "affected"
      },
      {
        "version": "17.9.5a",
        "status": "affected"
      },
      {
        "version": "17.12.3",
        "status": "affected"
      },
      {
        "version": "17.14.1a",
        "status": "affected"
      },
      {
        "version": "17.12.4",
        "status": "affected"
      },
      {
        "version": "17.12.3a",
        "status": "affected"
      },
      {
        "version": "17.15.1a",
        "status": "affected"
      },
      {
        "version": "17.9.6",
        "status": "affected"
      },
      {
        "version": "17.16.1a",
        "status": "affected"
      },
      {
        "version": "17.12.4a",
        "status": "affected"
      },
      {
        "version": "17.15.2c",
        "status": "affected"
      },
      {
        "version": "17.12.4b",
        "status": "affected"
      },
      {
        "version": "17.15.2a",
        "status": "affected"
      },
      {
        "version": "17.12.5",
        "status": "affected"
      },
      {
        "version": "17.17.1",
        "status": "affected"
      },
      {
        "version": "17.12.5a",
        "status": "affected"
      },
      {
        "version": "17.15.3a",
        "status": "affected"
      },
      {
        "version": "17.15.3",
        "status": "affected"
      },
      {
        "version": "17.12.5b",
        "status": "affected"
      },
      {
        "version": "17.12.5c",
        "status": "affected"
      },
      {
        "version": "17.15.4",
        "status": "affected"
      },
      {
        "version": "17.18.1",
        "status": "affected"
      },
      {
        "version": "17.18.1a",
        "status": "affected"
      },
      {
        "version": "17.12.6",
        "status": "affected"
      },
      {
        "version": "17.15.4c",
        "status": "affected"
      },
      {
        "version": "17.12.5d",
        "status": "affected"
      },
      {
        "version": "17.18.2",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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