CVE-2026-105842

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 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-2026-93394

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-2026-105842

The lrzsz utility (versions before 0.13.0 ) is vulnerable to a heap-based buffer overflow within the procheader() function of the lrz receive utility. The flaw occurs when the utility copies overlong, sender-supplied filenames (up to 8192 bytes) into Pathname . Specifically, the overflow is trigg...

CVE-2026-105842 lrzsz before 0.13.0 Heap Buffer Overflow via lrz procheader() Pathname

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...

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...

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...

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...

PT-2026-106726

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-2026-106727

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...