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Cisco published a security hardening release for its Unified Communications portfolio on October 21, 2026. It covers Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Unified CM IM&P, Unified CM SME and Cisco Unity Connection. The vulnerabilities were found during an intern…
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…
Cisco published a Software Security Hardening Release advisory for Cisco IOS XE Software. It addresses multiple vulnerabilities found during an internal security review and internal testing. Cisco states the flaws are not known to be actively exploited. It grouped the issues by Common Weakness Enumeration (CWE) class and assigned a single…
