rsec-2023-2

{
  "affected": [
    {
      "database_specific": {
        "source": "https://github.com/RConsortium/r-advisory-database/blob/main/vulns/readxl/RSEC-2023-2.yaml"
      },
      "package": {
        "ecosystem": "CRAN",
        "name": "readxl",
        "purl": "pkg:cran/readxl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.4.1"
            },
            {
              "fixed": "1.4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.1"
      ]
    }
  ],
  "details": "The readxl R package is exposed to a vulnerability owing to its underlying use of libxls library version 1.6.2. The vulnerability originates in the xls_getWorkSheet function within xls.c in libxls. Attackers can exploit this flaw by utilizing a specially crafted XLS file, leading to a Denial of Service (DoS) attack.",
  "id": "RSEC-2023-2",
  "modified": "2025-05-19T19:43:47.991339Z",
  "published": "2023-07-13T02:46:57.600Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/tidyverse/readxl/issues/679"
    },
    {
      "type": "WEB",
      "url": "https://readxl.tidyverse.org/news/index.html#readxl-142"
    },
    {
      "type": "WEB",
      "url": "https://security-tracker.debian.org/tracker/source-package/r-cran-readxl"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-27836"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "Denial of Service (DoS) vulnerability",
  "upstream": [
    "CVE-2021-27836"
  ]
}