rsync: Fix of 5 CVEs

{
  "id": "a27ed895ec1e25a8b12903e92372d3dbd9a92f3ce0374c8e5fc19b6d15ca84de",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1791331932",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "rsync: Fix of 5 CVEs",
    "summary": "- CVE-2026-53790: refuse a shell-active RSYNC_CONNECT_PROG %H host and quote it; escape backtick, newline and carriage return in remote-shell arguments - CVE-2026-53793: confine a \"/./\" inner-module chroot: secure opens, change_dir, chmod, rename, delta-basis opens and alt-dest basis stats, resolved with an in-tree-symlink-following walk so in-module symlinks and --link-dest=../dir keep working; also sanitize a fuzzy-basis xname on the client - CVE-2026-70453: cap the per-offset hash_search() chain walk at MAX_CHAIN_LEN - CVE-2026-70458: refuse FLAG_HLINKED without -H or on a directory, and skip the checksum basis match for a non-regular hard-linked entry - CVE-2026-70464: bound the daemon's pre-transfer handshake reads with an absolute deadline and cap daemon argument lists - CVE-2026-29518: rebuild the module-relative path for the daemon sender's confined open, fixing \"file has vanished\" for a file fetched by name from a subdirectory of a \"use chroot = no\" module",
    "evidence": "osv:CLSA-2026-1791331932",
    "products": [
      {
        "name": {
          "value": "rsync",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.6-12.el6.tuxcare.els11",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1791331932",
      "aliases": [
        "CLSA-2026-1791331932"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.6-12.el6.tuxcare.els11"
                }
              ]
            }
          ],
          "package": {
            "name": "rsync",
            "purl": "pkg:rpm/tuxcare/rsync?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1791331932.json"
          }
        }
      ],
      "modified": "2026-10-26T09:43:12.604117678Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-29518",
        "CVE-2026-53790",
        "CVE-2026-53793",
        "CVE-2026-70453",
        "CVE-2026-70458",
        "CVE-2026-70464"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/centos6els/CLSA-2026-1791331932.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53790",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53793",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-70453",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-70458",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-70464"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-29518",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53790",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53793",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-70453",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-70458",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-70464",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 449754,
  "published_at": "2026-10-08T22:07:12+00:00"
}