lrzsz before version 0.12.21~rc can leak information to the receiving side due to an incorrect length check in the function zsdata that causes a size_t to wrap around.
www.ohse.de/uwe/software/lrzsz.html
bugzilla.redhat.com/show_bug.cgi?id=1572058
lists.debian.org/debian-lts-announce/2022/01/msg00027.html
lists.suse.com/pipermail/sle-security-updates/2018-April/003955.html?_ga=2.81625751.1026327980.1622040648-1950393542.1547130931
lists.suse.com/pipermail/sle-security-updates/2018-April/003956.html?_ga=2.81625751.1026327980.1622040648-1950393542.1547130931