scripts/xzgrep.in in xzgrep 5.2.x before 5.2.0, before 5.0.0 does not properly process file names containing semicolons, which allows remote attackers to execute arbitrary code by having a user run xzgrep on a crafted file name.
https://git.tukaani.org/?p=xz.git%3Ba=commitdiff%3Bh=f4b2b52624b802c786e4e2a8eb6895794dd93b24
https://bugzilla.redhat.com/show_bug.cgi?id=1223341