Hi, On 2018-01-20 00:40, Iago wrote: > > After one of the latest security updates in debian stretch some pdf files > started to display "transparent" text. I think that this is related to pdf > with accents. > Another user (http://forums.debian.net/viewtopic.php?f=6&t=135888) says that > thi happens when generating a pdf from latex and using > \usepackage[T1]{fontenc}, needed for accentuated text.
this sounds very much like bug #886733. A new version of Poppler which fixes this regression has been released in the meanwhile. Does the problem still occur for you with the latest Poppler update (version 0.48.0-2+deb9u2)? Regards, Michael