Microsoft Security Response Center 中文 关注 CVE-2026-62309 CoreDNS：proxyproto 插件在 PPv2 数据报且非 UDP 传输时发生 panic——单个 28 字节数据包可引发远程 DoS CVE-2026-62309 CoreDNS: proxyproto plugin panics on PPv2 datagram with non-UDP transport — single 28-byte packet remote DoS msrc.microsoft.com
