ANT-2026-5DFBSQR9 · freebsd/freebsd-src · Use-After-Free / Type Confusion

use-after-free high CVE-2026-5398 CVE-2026-6386 Severity Claude high · Security research firm - · Maintainer high REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-5DFBSQR9: Local privilege escalation via ttydropctty tsession UAF + pmappkruupdaterange PDPE walk In...