rsync 3.0.0 < 3.5.0 Daemon Crash via Malformed File List Entry

{
  "id": "52605c83d5d016e612605aadd7badf9f6c856a8468c087041fddf15082993939",
  "url": "https://osv.dev/vulnerability/CVE-2026-70459",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "rsync 3.0.0 < 3.5.0 Daemon Crash via Malformed File List Entry",
    "summary": "rsync 3.0.0 before 3.5.0 contains a null pointer dereference vulnerability in the daemon child process that allows remote attackers to crash the daemon by sending a file list whose first entry is a dot entry not typed as a directory. The daemon dereferences the first file list entry as a directory structure pointer without verifying the entry type, resulting in an invalid or uninitialized pointer dereference that terminates the client connection.",
    "evidence": "osv:CVE-2026-70459",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-70459",
      "aliases": [
        "CVE-2026-70459",
        "GHSA-p4v4-qxw9-q72m"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.samba.org/rsync.git/",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4cb6197b21d9860736c8e6d81b8eb8cac53beb5a"
                },
                {
                  "fixed": "471e17dc0d68233db84db11be82c9f62f4661214"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:samba:rsync:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.5.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            },
            {
              "repo": "https://github.com/rsyncproject/rsync",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4cb6197b21d9860736c8e6d81b8eb8cac53beb5a"
                },
                {
                  "fixed": "471e17dc0d68233db84db11be82c9f62f4661214"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:samba:rsync:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.5.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "471e17dc0d68233db84db11be82c9f62f4661214"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v3.5.0"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.4.3",
            "v3.4",
            "v3.2.7",
            "v3.4.1",
            "v3.4.2",
            "v3.4.0",
            "v3.3.0",
            "v3.3.0pre1",
            "v3.2.7pre1",
            "v3.2.6",
            "v3.2.5",
            "v3.2.5pre2",
            "v3.2.5pre1",
            "v3.2.4",
            "v3.2.4pre4",
            "v3.2.4pre3",
            "v3.2.4pre2",
            "v3.2.4pre1",
            "v3.2.3",
            "v3.2.3pre1",
            "v3.2.2",
            "v3.2.2pre3",
            "v3.2.2pre2",
            "v3.2.2pre1",
            "v3.2.1",
            "v3.2.1pre1",
            "v3.2.0",
            "v3.2.0pre3",
            "v3.2.0pre2",
            "v3.2.0pre1",
            "v3.1.3",
            "v3.1.3pre1",
            "v3.1.2",
            "v3.1.2pre1",
            "v3.1.1",
            "v3.1.1pre2",
            "v3.1.1pre1",
            "v3.1.0",
            "v3.1.0pre1",
            "v3.0.3",
            "v3.0.3pre3",
            "v3.0.3pre2",
            "v3.0.3pre1",
            "v3.0.2",
            "v3.0.1",
            "v3.0.1pre3",
            "v3.0.1pre2",
            "v3.0.1pre1",
            "v3.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-70459.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.343033496Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/70xxx/CVE-2026-70459.json",
        "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0",
        "https://github.com/RsyncProject/rsync/security/advisories/GHSA-p4v4-qxw9-q72m",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-70459",
        "https://www.vulncheck.com/advisories/rsync-daemon-crash-via-malformed-file-list-entry",
        "https://github.com/RsyncProject/rsync"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-908"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/70xxx/CVE-2026-70459.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-70459",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504848,
  "published_at": "2026-08-13T14:43:32.853+00:00"
}