An issue was discovered in Liblouis 3.5.0. A invalid free in the compileRule function in compileTranslationTable.c allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.
https://usn.ubuntu.com/3669-1/
https://docs.google.com/document/d/1Uw3D6ECXZr8S2cWOTY81kg6ivv0WpR4kQqxVpUSyGUA/edit?usp=sharing
https://bugzilla.redhat.com/show_bug.cgi?id=1582024
http://www.securityfocus.com/bid/104324
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.html