{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/debian10els/vex/2026/cve-2026-70457-els_os-debian10els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-08-17T13:06:23Z",
      "generator": {
        "date": "2026-08-17T13:06:23Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2026-70457-ELS_OS-DEBIAN10ELS",
      "initial_release_date": "2026-08-13T15:19:00Z",
      "revision_history": [
        {
          "date": "2026-08-13T15:19:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-08-16T14:47:53Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2026-08-17T13:06:23Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "3"
    },
    "title": "Security update on CVE-2026-70457"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Debian 10",
                "product": {
                  "name": "Debian 10",
                  "product_id": "Debian-10",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Debian"
          }
        ],
        "category": "vendor",
        "name": "Software in the Public Interest, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "rsync-0:3.1.3-6+tuxcare.els4.amd64",
                "product": {
                  "name": "rsync-0:3.1.3-6+tuxcare.els4.amd64",
                  "product_id": "rsync-0:3.1.3-6+tuxcare.els4.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/rsync@3.1.3-6%2Btuxcare.els4?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "rsync-0:3.1.3-6+tuxcare.els3.amd64",
                "product": {
                  "name": "rsync-0:3.1.3-6+tuxcare.els3.amd64",
                  "product_id": "rsync-0:3.1.3-6+tuxcare.els3.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/rsync@3.1.3-6%2Btuxcare.els3?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "rsync-0:3.1.3-6+tuxcare.els1.amd64",
                "product": {
                  "name": "rsync-0:3.1.3-6+tuxcare.els1.amd64",
                  "product_id": "rsync-0:3.1.3-6+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/rsync@3.1.3-6%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "rsync-0:3.1.3-6+tuxcare.els2.amd64",
                "product": {
                  "name": "rsync-0:3.1.3-6+tuxcare.els2.amd64",
                  "product_id": "rsync-0:3.1.3-6+tuxcare.els2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/rsync@3.1.3-6%2Btuxcare.els2?arch=amd64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "rsync-0:3.1.3-6+tuxcare.els4.amd64 as a component of Debian 10",
          "product_id": "Debian-10:rsync-0:3.1.3-6+tuxcare.els4.amd64"
        },
        "product_reference": "rsync-0:3.1.3-6+tuxcare.els4.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "rsync-0:3.1.3-6+tuxcare.els3.amd64 as a component of Debian 10",
          "product_id": "Debian-10:rsync-0:3.1.3-6+tuxcare.els3.amd64"
        },
        "product_reference": "rsync-0:3.1.3-6+tuxcare.els3.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "rsync-0:3.1.3-6+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:rsync-0:3.1.3-6+tuxcare.els1.amd64"
        },
        "product_reference": "rsync-0:3.1.3-6+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "rsync-0:3.1.3-6+tuxcare.els2.amd64 as a component of Debian 10",
          "product_id": "Debian-10:rsync-0:3.1.3-6+tuxcare.els2.amd64"
        },
        "product_reference": "rsync-0:3.1.3-6+tuxcare.els2.amd64",
        "relates_to_product_reference": "Debian-10"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-70457",
      "cwe": {
        "id": "CWE-131",
        "name": "Incorrect Calculation of Buffer Size"
      },
      "notes": [
        {
          "category": "description",
          "text": "rsync 3.2.3 before 3.5.0 contains an out-of-bounds write in parse_size_arg() where the return value of snprintf() is used directly as an index into a .bss-segment array without bounds checking. When snprintf truncates the formatted size string, the return value equals the number of characters that would have been written including the truncated portion, and this value may exceed the array length. The subsequent indexed write targets memory outside the intended array bounds, corrupting .bss memory.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "Debian-10:rsync-0:3.1.3-6+tuxcare.els1.amd64",
          "Debian-10:rsync-0:3.1.3-6+tuxcare.els2.amd64",
          "Debian-10:rsync-0:3.1.3-6+tuxcare.els3.amd64",
          "Debian-10:rsync-0:3.1.3-6+tuxcare.els4.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-70457"
        },
        {
          "category": "external",
          "summary": "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0",
          "url": "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0"
        },
        {
          "category": "external",
          "summary": "https://github.com/RsyncProject/rsync/security/advisories/GHSA-pg7g-xqmr-xpfh",
          "url": "https://github.com/RsyncProject/rsync/security/advisories/GHSA-pg7g-xqmr-xpfh"
        },
        {
          "category": "external",
          "summary": "https://www.vulncheck.com/advisories/rsync-out-of-bounds-write-via-parse-size-arg",
          "url": "https://www.vulncheck.com/advisories/rsync-out-of-bounds-write-via-parse-size-arg"
        }
      ],
      "release_date": "2026-08-13T15:19:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        },
        {
          "category": "impact",
          "date": "2026-08-17T12:17:42.443435Z",
          "details": "unknown",
          "product_ids": [
            "Debian-10:rsync-0:3.1.3-6+tuxcare.els1.amd64",
            "Debian-10:rsync-0:3.1.3-6+tuxcare.els2.amd64",
            "Debian-10:rsync-0:3.1.3-6+tuxcare.els3.amd64",
            "Debian-10:rsync-0:3.1.3-6+tuxcare.els4.amd64"
          ]
        }
      ]
    }
  ]
}