Fix of 7 CVEs

{
  "id": "a37a622aa710eb1bc29c7db1a6a18a485f8921eda523863d86494b4c7f16d21e",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1788799362",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix of 7 CVEs",
    "summary": "* SECURITY UPDATE: symlink attacks on daemon operator-supplied paths - debian/patches/CVE-2026-53784.patch: add safe_open_no_attacker_symlinks() in util.c and confine the daemon module-root chdir under use-chroot=no - CVE-2026-53784 * SECURITY UPDATE: information disclosure via planted symlinks - debian/patches/CVE-2026-53802-CVE-2026-53803.patch: open the secrets file, --password-file, batch, log, config and exclude/include files through safe_open_no_attacker_symlinks() - CVE-2026-53802 - CVE-2026-53803 * SECURITY UPDATE: information disclosure via symlinked filter/merge files - debian/patches/CVE-2026-53786.patch: open filter and per-directory merge files through safe_open_no_attacker_symlinks() and treat a merge file hidden by the daemon filter as absent - CVE-2026-53786 * SECURITY UPDATE: arbitrary file write via absolute --temp-dir/--link-dest - debian/patches/CVE-2026-53795.patch: confine do_rename() and do_link() in syscall.c through an ownership walk on the pinned parent directory fd - CVE-2026-53795 * SECURITY UPDATE: daemon crash via a malformed file list entry - debian/patches/CVE-2026-70459.patch: reject a non-directory transfer-root entry and bound parent_ndx in flist.c, generator.c and receiver.c - CVE-2026-70459 * SECURITY UPDATE: \"auth users\" entries parsed on whitespace - debian/patches/CVE-2026-70463.patch: parse the daemon's \"auth users\" list with conf_strtok() in authenticate.c so it splits on commas alone - CVE-2026-70463 * The non-directory transfer-root",
    "evidence": "osv:CLSA-2026-1788799362",
    "products": [
      {
        "name": {
          "value": "rsync",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.1.3-8ubuntu0.9+tuxcare.els6",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1788799362",
      "aliases": [
        "CLSA-2026-1788799362"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.1.3-8ubuntu0.9+tuxcare.els6"
                }
              ]
            }
          ],
          "package": {
            "name": "rsync",
            "purl": "pkg:deb/tuxcare/rsync?distro=ubuntu-20.04",
            "ecosystem": "TuxCare:Ubuntu:20.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1788799362.json"
          }
        }
      ],
      "modified": "2026-10-26T09:43:25.000801651Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-53784",
        "CVE-2026-53786",
        "CVE-2026-53789",
        "CVE-2026-53795",
        "CVE-2026-53802",
        "CVE-2026-53803",
        "CVE-2026-70459",
        "CVE-2026-70463"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1788799362.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53784",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53786",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53795",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53802",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53803",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-70459",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-70463"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-53784",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53786",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53789",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53795",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53802",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53803",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-70459",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-70463",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 449899,
  "published_at": "2026-09-07T16:42:56+00:00"
}