CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.
lists.opensuse.org/opensuse-security-announce/2020-04/msg00044.html
lists.opensuse.org/opensuse-security-announce/2020-04/msg00045.html
github.com/teeworlds/teeworlds/commit/c68402fa7e279d42886d5951d1ea8ac2facc1ea5
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AVYG7CCPS5F3OPOQMJKVNXTQ7BXSEX2V/
usn.ubuntu.com/4553-1/
www.debian.org/security/2020/dsa-4763
www.teeworlds.com/forum/viewtopic.php?id=14785