{
  "document": {
    "aggregate_severity": {
      "text": "High"
    },
    "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": {
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      "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/debian11els/vex/2026/cve-2026-70457-els_os-debian11els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-09-18T13:36:39Z",
      "generator": {
        "date": "2026-09-18T13:36:39Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2026-70457-ELS_OS-DEBIAN11ELS",
      "initial_release_date": "2026-08-13T15:19:00Z",
      "revision_history": [
        {
          "date": "2026-08-13T15:19:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-09-17T12:45:34Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2026-09-18T13:36:39Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "3"
    },
    "title": "Security update on CVE-2026-70457"
  },
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          }
        ],
        "category": "vendor",
        "name": "Software in the Public Interest, Inc."
      },
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      },
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        },
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        "relates_to_product_reference": "Debian-11"
      },
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        "category": "default_component_of",
        "full_product_name": {
          "name": "rsync-0:3.2.3-4+deb11u4+tuxcare.els4.armel as a component of Debian 11",
          "product_id": "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els4.armel"
        },
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        "relates_to_product_reference": "Debian-11"
      },
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        "full_product_name": {
          "name": "rsync-0:3.2.3-4+deb11u4+tuxcare.els4.amd64 as a component of Debian 11",
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        },
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        "relates_to_product_reference": "Debian-11"
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    ]
  },
  "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": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "under_investigation": [
          "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els3.amd64",
          "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els3.arm64",
          "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els3.armel",
          "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els4.amd64",
          "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els4.arm64",
          "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els4.armel"
        ]
      },
      "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",
      "remediations": [
        {
          "category": "none_available",
          "date": "2026-09-04T15:59:25.861225Z",
          "details": "Affected",
          "product_ids": [
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els3.amd64",
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els3.arm64",
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els3.armel",
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els4.amd64",
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els4.arm64",
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els4.armel"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els3.amd64",
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els3.arm64",
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els3.armel",
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els4.amd64",
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els4.arm64",
            "Debian-11:rsync-0:3.2.3-4+deb11u4+tuxcare.els4.armel"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    }
  ]
}