nginx 0.6.27 < 1.28.3 / 1.29.x < 1.29.7 SMTP Upstream Injection

The installed version of nginx is 0.6.27 prior to 1.28.3, or 1.29.x prior to 1.29.7. It is, therefore, affected by the following issue : - NGINX Plus and NGINX Open Source have a vulnerability in the ngxmailsmtpmodule module due to the improper handling of CRLF sequences in DNS responses. This...