User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36 Steps to reproduce: 1)open chome, choose image 2)open FF 3)make contenteditable div in FF page (example: https://jsfiddle.net/reed2sdL/) 4)drag&drop image from chrome in div(step 4) Actual results: hieroglyphs in div(step4) Expected results: image or nothing in div

Do I really need Chrome to test? Does it fail from any application embedding images?

Tested the reported test case with the following results: 1. Release 43 -reproducible User Agent Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:43.0) Gecko/20100101 Firefox/43.0 2. Beta 44 - reproducible User Agent Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:44.0) Gecko/20100101 Firefox/44.0 3. Aurora 45 -not reproducible User Agent Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0 4. Nightly 46 -not reproducible User Agent Mozilla/5.0 (Windows NT 6.1; WOW64; rv:46.0) Gecko/20100101 Firefox/46.0 Summing up, this issue will be fixed with the 45 version release. @reporter: Could you also please confirm that the issue is fixed on Aurora45/Nightly 46? (https://nightly.mozilla.org/)

This is a very long-standing bug. Fixed by bug 586587 Fix range: > https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=9bf9d97873fe66037bd14176d2d09affec617fe2&tochange=be19277b423fb7940380282e3f1877073c23762a