The vulnerability in the receive_msg function of the receive.c file of the SMTP daemon of the Debian GNU/Linux operating system’s mail server allows a attacker to cause a service failure or execute arbitrary code.

The vulnerability of the receivemsg function in receive.c of the SMTP daemon of the Debian GNU/Linux operating system’s mail server is related to the use of memory after it is freed. Exploiting this vulnerability allows a remote attacker to execute arbitrary code or cause a service failure the us...