Iceborn Gauntlet BUG Gameplay

This is the first time i've posted anything on here but i believe I've encountered a bug with iceborn guantlet. I do not have the capability of recording it but i have noticed it on several occasions.

This last situation that has caused me to report this was an ezreal having iceborn gauntlet and he would cast q or e and if it hit i would be hit by iceborn. Example: i was in the top side river bush in mid lane and the ezreal was behind the thick wall near turret and shot his e through the wall. on hit of the spell even though im not in range of ezreal auto attack i was still slowed and took the bonus damage, a couple times in the game i was slowed when i shouldnt have been which allowed the other members of the team to catch me.

This essiantly is giving iceborn gauntlet the effect of both crystal scepter and frozen hammer with cd, armor, bonus damage and they get it for 6k less then they would normally pay.

i just wanted to point this out and hopefully others will look into it more deeply and get the proof needed to fix this.