lrzsz: lrzsz: Arbitrary command execution via crafted file names in pipe mode

A flaw was found in lrzsz. When operating in pipe mode, the lrz receive utility does not properly sanitize file names received during file transfers before passing them to the system shell. A remote attacker can exploit this flaw by sending a specially crafted file name, leading to arbitrary...

SUSE CVE-2026-105841

lrzsz before 0.13.0 contains an OS command injection vulnerability in the lrz receive utility's pipe mode that allows remote senders to execute commands by supplying crafted filenames. When lrz runs under a suffixed name such as lrztar, procheader in src/lrz.c passes the unescaped ZMODEM/YMODEM...

MiracleLinux 8 : lrzsz-0.12.20-46.el8_10 (AXSA:2026-2077:01)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-2077:01 advisory. lrzsz: lrzsz: Arbitrary file overwrite via absolute path traversal in restricted mode CVE-2026-105840 lrzsz: lrzsz: Arbitrary command execution via...

RockyLinux 8 : lrzsz (RLSA-2026:83525)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:83525 advisory. lrzsz: lrzsz: Arbitrary file overwrite via absolute path traversal in restricted mode CVE-2026-105840 lrzsz: lrzsz: Arbitrary command execution via...

lrzsz: lrzsz: Arbitrary command execution via crafted file names in pipe mode

A flaw was found in lrzsz. When operating in pipe mode, the lrz receive utility does not properly sanitize file names received during file transfers before passing them to the system shell. A remote attacker can exploit this flaw by sending a specially crafted file name, leading to arbitrary...

Important: Red Hat Security Advisory: lrzsz security, bug fix, and enhancement update

An update for lrzsz is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

ALSA-2026:83525 Important: lrzsz security, bug fix, and enhancement update

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 Fixes: lrzsz: lrzsz: Arbitrary file overwrite via...

Important: lrzsz security, bug fix, and enhancement update

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 Fixes: lrzsz: lrzsz: Arbitrary file overwrite via...

Linux Distros Unpatched Vulnerability : CVE-2026-105841

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - lrzsz before 0.13.0 contains an OS command injection vulnerability in the lrz receive utility's pipe mode that allows remote senders to execute commands by...

CVE-2026-105841

A flaw was found in lrzsz. When operating in pipe mode, the lrz receive utility does not properly sanitize file names received during file transfers before passing them to the system shell. A remote attacker can exploit this flaw by sending a specially crafted file name, leading to arbitrary...

CVE-2026-105841

lrzsz before 0.13.0 contains an OS command injection vulnerability in the lrz receive utility's pipe mode that allows remote senders to execute commands by supplying crafted filenames. When lrz runs under a suffixed name such as lrztar, procheader in src/lrz.c passes the unescaped ZMODEM/YMODEM...

AZL-106673 CVE-2026-105841 affecting package lrzsz 0.12.20-50

lrzsz before 0.13.0 contains an OS command injection vulnerability in the lrz receive utility's pipe mode that allows remote senders to execute commands by supplying crafted filenames. When lrz runs under a suffixed name such as lrztar, procheader in src/lrz.c passes the unescaped ZMODEM/YMODEM...

DEBIAN-CVE-2026-105841

lrzsz before 0.13.0 contains an OS command injection vulnerability in the lrz receive utility's pipe mode that allows remote senders to execute commands by supplying crafted filenames. When lrz runs under a suffixed name such as lrztar, procheader in src/lrz.c passes the unescaped ZMODEM/YMODEM...

AZL-106670 CVE-2026-105842 affecting package lrzsz 0.12.20-50

lrzsz before 0.13.0 contains a heap-based buffer overflow vulnerability in procheader of the lrz receive utility when copying overlong sender-supplied filenames into Pathname. Malicious ZMODEM senders can supply filenames up to 8192 bytes, overflowing the buffer via sprintf in pipe mode or strcpy...

CVE-2026-105841 lrzsz before 0.13.0 OS Command Injection via lrz Pipe Mode

lrzsz before 0.13.0 contains an OS command injection vulnerability in the lrz receive utility's pipe mode that allows remote senders to execute commands by supplying crafted filenames. When lrz runs under a suffixed name such as lrztar, procheader in src/lrz.c passes the unescaped ZMODEM/YMODEM...

EUVD-2026-93393

lrzsz before 0.13.0 contains an OS command injection vulnerability in the lrz receive utility's pipe mode that allows remote senders to execute commands by supplying crafted filenames. When lrz runs under a suffixed name such as lrztar, procheader in src/lrz.c passes the unescaped ZMODEM/YMODEM...

CVE-2026-105841

lrzsz before 0.13.0 contains an OS command injection vulnerability in the lrz receive utility's pipe mode that allows remote senders to execute commands by supplying crafted filenames. When lrz runs under a suffixed name such as lrztar, procheader in src/lrz.c passes the unescaped ZMODEM/YMODEM...

CVE-2026-105841

The lrzsz utility, in versions before 0.13.0 , is vulnerable to an OS command injection in the lrz receive utility's pipe mode. The root cause is located in src/lrz.c, where the procheader() function passes unescaped ZMODEM/YMODEM filenames to popen() when running under a suffixed name like lrzta...

CVE-2026-105841 lrzsz before 0.13.0 OS Command Injection via lrz Pipe Mode

lrzsz before 0.13.0 contains an OS command injection vulnerability in the lrz receive utility's pipe mode that allows remote senders to execute commands by supplying crafted filenames. When lrz runs under a suffixed name such as lrztar, procheader in src/lrz.c passes the unescaped ZMODEM/YMODEM...

PT-2026-106726

Name of the Vulnerable Software and Affected Versions lrzsz versions prior to 0.13.0 Description The lrz receive utility contains an OS command injection flaw in its pipe mode. This occurs when lrz is executed under a suffixed name, such as lrztar, causing the procheader function in src/lrz.c to...