The read_stream function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted archive.
https://security.gentoo.org/glsa/202005-01
https://lists.debian.org/debian-lts-announce/2021/08/msg00001.html
https://github.com/ckolivas/lrzip/issues/71
https://blogs.gentoo.org/ago/2017/05/07/lrzip-use-after-free-in-read_stream-stream-c/