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Linux nf_tables Catchall Set Element UAF -- Local Privilege Escalation (CVE-2026-23111) newCVE-2026-23111binaryHIGH 7.8Patched2026-08-16Ivanti Connect Secure / Policy Secure / ZTA Gateways Remote Unauthenticated Stack-Based Buffer Overflow (CVE-2025-22457) new KEV RW EPSS 100%CVE-2025-22457networkCRITICAL 9Unpatched2026-08-09FreeBSD OSS /dev/dsp Stale Kernel-Stack Buffer Local Privilege Escalation (CVE-2026-49417) newCVE-2026-49417binaryHIGHUnverified2026-07-05