Microsoft Outlook and Outlook Express allow remote attackers to cause a denial of service by sending email messages with blank fields such as BCC, Reply-To, Return-Path, or From.
From 神龙GPT (AIGC)
Microsoft Outlook 和 Outlook Express 允许远程攻击者通过发送包含空白字段的电子邮件来造成拒绝服务攻击，例如 BCC、Reply-To、Return-Path 或 From。