{"id":"ALSA-2026:86056","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  * lrzsz: lrzsz: Arbitrary command execution via crafted file names in pipe mode (CVE-2026-105841)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * lrzsz: segfault with -s [almalinux-10.2.z] (JIRA:AlmaLinux-282106)\n\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.\n","modified":"2026-10-21T17:00:02.479390368Z","published":"2026-10-20T00:00:00Z","related":["CVE-2026-105840","CVE-2026-105841"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:86056"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-105840"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-105841"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2546590"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2546595"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2026-86056.html"}],"affected":[{"package":{"name":"lrzsz","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/lrzsz"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.20-69.el10_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:86056.json"}}],"schema_version":"1.9.0"}