Lrzsz (consisting of lrz and lsz) is a cosmetically modified zmodem/ymodem/xmodem package built from the public-domain version of the rzsz package. Lrzsz was created to provide a working GNU copylefted Zmodem solution for Linux systems.
Security Fix(es):
lrzsz: lrzsz: Arbitrary file overwrite via absolute path traversal in restricted mode (CVE-2026-105840)
lrzsz: lrzsz: Arbitrary command execution via crafted file names in pipe mode (CVE-2026-105841)
Bug Fix(es) and Enhancement(s):
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
{
"license": "CC-BY-4.0",
"license_url": "https://creativecommons.org/licenses/by/4.0/",
"source_advisory": "RHSA-2026:83525"
}