Hi, thanks for your answer. Regarding the "broken" x11-users-list simply visit https://lists.apple.com/mailman/listinfo/x11-users and try to register. I tried multiple mail addresses and passwords (also this mail address) and always got an error after clicking onto subscribe. I just tried it again, the problem still seems to be present. Kind regards, Nils Olbert ________________________________ Von: Xquartz-dev <xquartz-dev-bounces@lists.macosforge.org> im Auftrag von Jeremy Huddleston Sequoia <jeremyhu@apple.com> Gesendet: Montag, 9. März 2020 00:38:36 An: Developer talk about Xquartz Betreff: Re: [Xquartz-dev] Is XQuartz safe to use? On Mar 8, 2020, at 07:03, Olbert, Nils <i17026@hb.dhbw-stuttgart.de<mailto:i17026@hb.dhbw-stuttgart.de>> wrote: Hello, I am not completely sure if this is the right mailing list for asking this question, but since the x11-users list seems to be broken (you cannot register as a subscriber (results in a "We're sorry, we hit a bug!"-Error) Can you point me to the link you are using? I can file a ticket to look into it. , nor seem incoming messages to be processed (I sent this question to that list before in early February)), I am gonna ask it here: There are messages on the list from February. <mailto:x11-users@lists.apple.com> The last version of XQuartz available for download is from 2016. Yeah, that's the last time I had any free time to package everything up into a release, and nobody has stepped up to take that over. If you want the latest versions, I suggest using MacPorts to install it. Since then, some serious security vulnerabilities has been spotted in X, f.e. CVE-2017-10972 or https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=x.org . Is XQuartz immune to all of them or must installing XQuartz be considered as a security issue? I'm not aware of any that I'd consider extremely alarming. Most of the vulnerabilities that I recall were around privilege escalation to root because Xorg runs as root on other platforms. Since the server runs as the user on macOS, that's not as big a concern. Kind regards, Nils Olbert _______________________________________________ Xquartz-dev mailing list Xquartz-dev@lists.macosforge.org<mailto:Xquartz-dev@lists.macosforge.org> https://lists.macosforge.org/mailman/listinfo/xquartz-dev