Known Vulnerabilities for Snort by Cisco

Listed below are 10 of the newest known vulnerabilities associated with "Snort" by "Cisco".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-76524 json A vulnerability in the control channel socket implementation of Open Source Snort 3 could allow an authenticated, local ... Not Provided 2026-10-21 2026-10-22
CVE-2026-76489 json Multiple Cisco products are affected by a vulnerability in the memory management implementation of Snort 3 that could allow a... Not Provided 2026-10-21 2026-10-22
CVE-2026-76445 json Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that could allow an unauthenticated, ... Not Provided 2026-10-21 2026-10-22
CVE-2026-20356 json As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software... Not Provided 2026-10-21 2026-10-22
CVE-2026-20291 json As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software... Not Provided 2026-10-21 2026-10-22
CVE-2026-20290 json A vulnerability in SSL/TLS certificate parsing in the Snort 2 Detection Engine of Cisco Secure Firewall Threat Defense (FTD) ... Not Provided 2026-09-16 2026-09-17
CVE-2026-20236 json As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software... Not Provided 2026-10-21 2026-10-22
CVE-2026-20221 json Multiple Cisco products are affected by a vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation featu... Not Provided 2026-10-21 2026-10-22
CVE-2026-20218 json A vulnerability in the Snort 3 Visual Basic for Applications (VBA) Decompression Engine of multiple Cisco products could allo... Not Provided 2026-10-21 2026-10-22
CVE-2026-20197 json Multiple Cisco products are affected by a vulnerability in the Snort 3 Teredo Detection Engine that could allow an unauthenti... Not Provided 2026-10-21 2026-10-22
Results limited to 10 most recent vulnerabilities

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