rsec-2023-1

{
  "affected": [
    {
      "database_specific": {
        "source": "https://github.com/RConsortium/r-advisory-database/blob/main/vulns/readxl/RSEC-2023-1.yaml"
      },
      "package": {
        "ecosystem": "CRAN",
        "name": "readxl",
        "purl": "pkg:cran/readxl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.1.0"
            },
            {
              "fixed": "1.3.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.1.0",
        "0.1.1",
        "1.0.0",
        "1.1.0",
        "1.2.0"
      ]
    }
  ],
  "details": "The readxl R package has been found susceptible to vulnerabilities due to its dependency on libxls library version 1.4.0. Two distinct memory management issues were discovered in the read_MSAT and read_MSAT_body functions within the ole.c component of libxls. The first vulnerability is a double-free flaw in the read_MSAT function, which could be exploited by an attacker using a crafted file to cause a Denial of Service (DoS), resulting in an application crash. This vulnerability is different from CVE-2017-2897. The second vulnerability is an invalid free flaw in the read_MSAT_body function. This issue, stemming from inconsistent memory management in the ole2_read_header function, allows attackers to trigger a DoS, application crash, or possibly an unspecified impact through a specially crafted file.",
  "id": "RSEC-2023-1",
  "modified": "2025-05-19T19:43:47.604636Z",
  "published": "2023-07-13T02:37:06.600Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://readxl.tidyverse.org/news/index.html#readxl-130"
    },
    {
      "type": "WEB",
      "url": "https://security-tracker.debian.org/tracker/CVE-2017-2896"
    },
    {
      "type": "WEB",
      "url": "https://github.com/evanmiller/libxls/issues/34"
    },
    {
      "type": "WEB",
      "url": "https://github.com/evanmiller/libxls/issues/35"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "Double-free and invalid free vulnerabilities",
  "upstream": [
    "CVE-2018-20450",
    "CVE-2018-20452"
  ]
}