A null pointer dereference was discovered lzo_decompress_buf in stream.c in Irzip 0.621 which allows an attacker to cause a denial of service (DOS) via a crafted compressed file.
https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html
https://github.com/ckolivas/lrzip/issues/163
https://bugs.launchpad.net/ubuntu/+source/lrzip/+bug/1893641