Multiple Cisco Products Snort 3 Denial of Service Vulnerabilities
Multiple Cisco products are affected by vulnerabilities in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart unexpectedly, resulting in a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAd
Read at Cisco PSIRT Security Advisories
- Vendor
- Cisco
- Product
- Snort
- EPSS
- 0.005 (p40)
- Fix
- available
- Exposure class
- Endpoint security
Why it ranks 30 (Notable)
- Product class: endpoint security
- Widely deployed vendor product (Cisco)
- Covered by 2 independent sources
- Fix available
- 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-2026-20019 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-20179 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-20197 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-76489 on this site · NVD · CVE.org · Vulnpedia
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