Cisco October 2026 patches: Snort 3 fixes (CVE-2026-20043 and others) in a 34-vulnerability bundle with critical Expressway RCE
Cisco's Open Source Snort 3 engineering team released software hardening updates for multiple vulnerabilities found during an internal security review, as part of Cisco's October 21, 2026 advisory bundle. The issues are grouped by Common Weakness Enumeration class, with one CVE ID per group. CVE-2026-20043 covers out-of-bounds writes (CWE…