Fix CVE(s): CVE-2026-105840, CVE-2026-105841, CVE-2026-105842

{
  "id": "51610c1a9b555ebbdd1f2c24518f8671cfd7d12237f766ffb52d9e6873055371",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1792422501",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix CVE(s): CVE-2026-105840, CVE-2026-105841, CVE-2026-105842",
    "summary": "* SECURITY UPDATE: absolute path names accepted in restricted mode - debian/patches/CVE-2026-105840.patch: reject absolute path names in restricted mode in checkpath() in src/lrz.c and wcs() in src/lsz.c, not only in PUBDIR builds - CVE-2026-105840 * SECURITY UPDATE: command injection via the pipe mode - debian/patches/CVE-2026-105841.patch: remove the pipe mode that ran received files through a shell command when lrz was invoked as rzCOMMAND, in src/lrz.c - CVE-2026-105841 * SECURITY UPDATE: heap buffer overflow via a long file name - debian/patches/CVE-2026-105842.patch: allocate the received path name with strdup() instead of a fixed PATH_MAX*2 buffer, and NUL-terminate the ZFILE subpacket, in src/lrz.c - CVE-2026-105842",
    "evidence": "osv:CLSA-2026-1792422501",
    "products": [
      {
        "name": {
          "value": "lrzsz",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.12.21-10~build0.18.04.1+tuxcare.els1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1792422501",
      "aliases": [
        "CLSA-2026-1792422501"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.12.21-10~build0.18.04.1+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "lrzsz",
            "purl": "pkg:deb/tuxcare/lrzsz?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792422501.json"
          }
        }
      ],
      "modified": "2026-10-26T09:32:04.524825449Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-105840",
        "CVE-2026-105841",
        "CVE-2026-105842"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1792422501.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-105840",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-105841",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-105842"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-105840",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-105841",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-105842",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 449615,
  "published_at": "2026-10-19T15:08:34+00:00"
}