Microsoft Security Response Center 한국어 팔로우 CVE-2026-15711 Libsoup: soupwebsocketconnection: libsoup: websocket 원격 서비스 거부 (oversized control frame protocol violation) CVE-2026-15711 Libsoup: soupwebsocketconnection: libsoup: websocket remote denial of service via oversized control frame protocol violation msrc.microsoft.com
