Multiple Cisco Products Snort 3 Security Hardening Release: October 2026
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20043 are related to issues concerning out-of-bounds writes that are grouped under the Common Weakness Enumeration (CWE) Base CWE-787. As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco-owned Open Source Snor
Read at Cisco PSIRT Security Advisories
- Vendor
- Cisco
- Product
- Snort
- EPSS
- 0.004 (p38)
- Exposure class
- Endpoint security
Why it ranks 25 (Notable)
- Product class: endpoint security
- Widely deployed vendor product (Cisco)
- Covered by 2 independent sources
- 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-2026-20043 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-20236 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-20291 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-20356 on this site · NVD · CVE.org · Vulnpedia
Related coverage
Other items that share a CVE or were clustered with this one.