This was fixed upstream in: commit 1d7efe52fca14512a2a4114bc06c3ef41d0fba34 Author: Florian Weimer <fweimer> Date: Tue Jul 24 16:15:29 2018 +0200 crypt_gensalt_ra: Avoid memory leak in case of crypt_gensalt_rn error We also need this in Fedora 28.
libxcrypt-4.1.1-1.fc28 has been submitted as an update to Fedora 28. https://bodhi.fedoraproject.org/updates/FEDORA-2018-41093fcfb6
libxcrypt-4.1.1-1.fc28 has been pushed to the Fedora 28 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-41093fcfb6
libxcrypt-4.1.1-1.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.