Fix CVE(s): CVE-2026-70456

{
  "id": "d398f45856b7b29af9b1a374f4d0082e75efe05b233b99e02babfcc23fa93b48",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1789569581",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix CVE(s): CVE-2026-70456",
    "summary": "* SECURITY UPDATE: Out-of-bounds heap write in daemon argument parsing - debian/patches/CVE-2026-70456.patch: grow argv to argc + 1 entries in read_args() (io.c) before storing the trailing NULL, so a post-dot daemon request whose glob expansion lands argc exactly on maxargs no longer writes one pointer slot past the end of the argv allocation - CVE-2026-70456",
    "evidence": "osv:CLSA-2026-1789569581",
    "products": [
      {
        "name": {
          "value": "rsync",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.1.2-2.1ubuntu1.6+tuxcare.els13",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1789569581",
      "aliases": [
        "CLSA-2026-1789569581"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.1.2-2.1ubuntu1.6+tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "rsync",
            "purl": "pkg:deb/tuxcare/rsync?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-2026-1789569581.json"
          }
        }
      ],
      "modified": "2026-10-26T09:32:03.920388508Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-70456"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1789569581.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-70456"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-70456",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 449565,
  "published_at": "2026-09-16T14:39:50+00:00"
}