{"id":"RLSA-2026:83525","summary":"Important: lrzsz security, bug fix, and enhancement update","details":"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.\n\nSecurity Fix(es):\n\n* lrzsz: lrzsz: Arbitrary file overwrite via absolute path traversal in restricted mode (CVE-2026-105840)\n\n* lrzsz: lrzsz: Arbitrary command execution via crafted file names in pipe mode (CVE-2026-105841)\n\nBug Fix(es) and Enhancement(s):\n\n* lrzsz: segfault with -s [rhel-8.10.z] (JIRA:Rocky Linux-282148)\n\nFor 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.","modified":"2026-10-16T12:45:02.667044901Z","published":"2026-10-16T12:01:11.432230Z","upstream":["CVE-2026-105840","CVE-2026-105841"],"database_specific":{"license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:83525","license":"CC-BY-4.0"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:83525"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2546590"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2546595"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:83525"}],"affected":[{"package":{"name":"lrzsz","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/lrzsz?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.12.20-46.el8_10"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:83525.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}