{
  "cveId": "CVE-2026-105840",
  "url": "https://patchblox.com/security/cve/CVE-2026-105840",
  "summary": "CVE-2026-105840 is fixed in lrzsz on 1 platform, first by DEBIAN-CVE-2026-105840, released October 13, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "lrzsz: Lrzsz (consisting of lrz and lsz) is a cosmetically modified zmodem/ymodem/xmodem package built from the public-domai...",
  "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.\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:RHEL-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.",
  "published": "2026-10-06T13:35:46Z",
  "severity": "Important",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.00313,
  "epssPercentile": 0.24439,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "Debian 14",
      "fixedVersion": "0.12.21rc-5",
      "fix": "DEBIAN-CVE-2026-105840",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-105840",
      "released": "2026-10-13T23:28:43Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "RHEL 10",
      "fixedVersion": "0.12.20-69.el10_2",
      "fix": "RHSA-2026:86056",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-86056",
      "released": "2026-10-21T16:56:56Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "RHEL 8",
      "fixedVersion": "0:0.12.20-46.el8_10",
      "fix": "RHSA-2026:83525",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-83525",
      "released": "2026-10-16T15:52:41Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "RHEL 9",
      "fixedVersion": "0:0.12.20-58.el9_8",
      "fix": "RHSA-2026:89755",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-89755",
      "released": "2026-10-27T21:16:57Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "almalinux 10",
      "fixedVersion": "0.12.20-69.el10_2",
      "fix": "ALSA-2026:86056",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-86056",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "almalinux 8",
      "fixedVersion": "0.12.20-46.el8_10",
      "fix": "ALSA-2026:83525",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-83525",
      "released": "2026-11-07T00:40:18Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "almalinux 9",
      "fixedVersion": "0.12.20-58.el9_8",
      "fix": "ALSA-2026:89755",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-89755",
      "released": "2026-11-07T00:40:32Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "ol 10",
      "fixedVersion": "0:0.12.20-69.el10_2",
      "fix": "ELSA-2026-86056",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-86056",
      "released": "2026-11-07T00:59:15Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "ol 8",
      "fixedVersion": "0:0.12.20-46.el8_10",
      "fix": "ELSA-2026-83525",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-83525",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "ol 9",
      "fixedVersion": "0:0.12.20-58.el9_8",
      "fix": "ELSA-2026-89755",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-89755",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "rocky 10",
      "fixedVersion": "0:0.12.20-69.el10_2",
      "fix": "RLSA-2026:86056",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-86056",
      "released": "2026-11-07T00:39:51Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "rocky 8",
      "fixedVersion": "0:0.12.20-46.el8_10",
      "fix": "RLSA-2026:83525",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-83525",
      "released": "2026-11-07T00:39:51Z"
    },
    {
      "platform": "linux",
      "product": "lrzsz",
      "release": "rocky 9",
      "fixedVersion": "0:0.12.20-58.el9_8",
      "fix": "RLSA-2026:89755",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-89755",
      "released": "2026-11-07T00:39:57Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T19:38:12Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}