Very simple script to check which PNG files have trailing data: https://gist.github.com/Juerd/40071ec6d1da9d4610eba4417c8672de https://gist.github.com/Juerd/400

Very simple script to check which PNG files have trailing data: https://gist.github.com/Juerd/40071ec6d1da9d4610eba4417c8672de https://gist.github.com/Juerd/40071ec6d1da9d4610eba4417c8672... I hope that people who host forums, image boards, chat applications, etc., will delete or fix potentially vulnerable images before anyone uses them maliciously. One way to repair a vulnerable image is to use `optipng -fix`.