CO
Product
Cisco Open Source Snort3
13
CVEs
0
On KEV
9.0
Max CVSS
13
New 30D
Severity mix
Critical 1High 4Medium 8Low 0
Watch
Add Cisco Open Source Snort3 to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2026-20043 New | 9.0 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
| CVE-2026-76524 New | 7.8 | Oct 21 | Open Source Snort 3 Control Channel Socket Aribitrary Command Execution Vulnerability Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
| CVE-2026-20291 New | 7.8 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
| CVE-2026-20356 New | 7.5 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
| CVE-2026-20236 New | 7.5 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
| CVE-2026-76489 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Generic File Processing Memory Exhaustion Denial of Service Vulnerability Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
| CVE-2026-20221 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
| CVE-2026-20197 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Teredo Protocol Denial of Service Vulnerability Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
| CVE-2026-20218 New | 5.8 | Oct 21 | Cisco Secure Firewall Threat Defense Snort 3 Visual Basic for Applications Buffer Overflow Denial of Service Vulnerability Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
| CVE-2026-20179 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
| CVE-2026-20019 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Netflow Denial of Service Vulnerabilities Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
| CVE-2026-20011 New | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 SMTP MIME Denial of Service Vulnerability Affected: 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; 3.1.7.0; +34 more |
| CVE-2026-76445 New | 5.3 | Oct 21 | Multiple Cisco Products Snort 3 Denial of Service Vulnerability Affected: 3.12.2.0; 3.1.2.0; 3.1.3.0; 3.1.4.0; 3.1.5.0; 3.1.6.0; +34 more |
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