Lrzsz Security Update — AlmaLinux 9 (ALSA-2026:89755)

Type:

security

Severity:

important

Release date:

2026-10-26

Description:

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):

* lrzsz: segfault with -s [almalinux-9.8.z] (JIRA:AlmaLinux-282108)

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.

References:

• CVE-2026-105840
• CVE-2026-105841
• RHSA-2026:89755
• ALSA-2026:89755

Updated packages listed below:

Notes:

This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.