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.
Metrics
Affected Vendors & Products
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Solution
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Workaround
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Wed, 04 Mar 2026 21:15:00 +0000
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| Metrics |
ssvc
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Wed, 04 Mar 2026 18:00:00 +0000
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| Description | 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. | |
| Title | Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability | |
| Weaknesses | CWE-786 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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MITRE
Status: PUBLISHED
Assigner: cisco
Published:
Updated: 2026-03-04T21:01:36.320Z
Reserved: 2025-10-08T11:59:15.356Z
Link: CVE-2026-20058
Vulnrichment
Updated: 2026-03-04T21:01:31.281Z
NVD
Status : Received
Published: 2026-03-04T18:16:20.643
Modified: 2026-03-04T18:16:20.643
Link: CVE-2026-20058
Redhat
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OpenCVE Enrichment
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