rsync: Fix of 4 CVEs

{
  "id": "fb06f843a88dbf02931e638d38d63a1d7c10eb73a4e325934773390d8a37e223",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1788773469",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "rsync: Fix of 4 CVEs",
    "summary": "- CVE-2026-70463: parse \"auth users\" with conf_strtok so a leading comma splits on commas alone, restoring \"@Group Name\" deny/:ro rules that whitespace tokenisation had silently discarded (authorization bypass) - CVE-2026-53786: strip the module_dir prefix before checking a client-supplied --filter merge file against daemon_filter_list, so module filter rules can no longer be bypassed - CVE-2026-70459: reject a non-directory \".\" / \"/.\" transfer-root file-list entry and require dir_flist to hold an entry before trusting parent_ndx 0, fixing the wild-pointer read that crashed the daemon child - CVE-2026-53789: force implied-parent directories non-content on the receiver, including the synthetic transfer root and the legacy protocol < 30 XMIT_TOP_DIR path, so a malicious sender cannot widen --delete scope",
    "evidence": "osv:CLSA-2026-1788773469",
    "products": [
      {
        "name": {
          "value": "rsync",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.1.3-19.el8.1.tuxcare.els9",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "rsync-daemon",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.1.3-19.el8.1.tuxcare.els9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1788773469",
      "aliases": [
        "CLSA-2026-1788773469"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.1.3-19.el8.1.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "rsync",
            "purl": "pkg:rpm/tuxcare/rsync?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1788773469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.1.3-19.el8.1.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "rsync-daemon",
            "purl": "pkg:rpm/tuxcare/rsync-daemon?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1788773469.json"
          }
        }
      ],
      "modified": "2026-10-26T09:43:44.714361759Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-53786",
        "CVE-2026-53789",
        "CVE-2026-70459",
        "CVE-2026-70463"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1788773469.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53786",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53789",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-70459",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-70463"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-53786",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53789",
        "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": 450114,
  "published_at": "2026-09-07T09:31:23+00:00"
}