rsec-2023-4

{
  "affected": [
    {
      "database_specific": {
        "source": "https://github.com/RConsortium/r-advisory-database/blob/main/vulns/igraph/RSEC-2023-4.yaml"
      },
      "package": {
        "ecosystem": "CRAN",
        "name": "igraph",
        "purl": "pkg:cran/igraph"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.7.1"
            },
            {
              "fixed": "1.2.2-2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.7.1",
        "1.0.0",
        "1.0.1",
        "1.1.1",
        "1.1.2",
        "1.2.1",
        "1.2.2"
      ]
    }
  ],
  "details": "The igraph R package, through version 0.7.1, is susceptible to a vulnerability identified in the igraph_i_strdiff function within igraph_trie.c. This vulnerability can lead to a NULL pointer dereference, potentially exploited by attackers to cause a denial of service, resulting in an application crash. Users of the igraph package should take necessary precautions and consider updating to a patched version to mitigate this security risk.",
  "id": "RSEC-2023-4",
  "modified": "2025-05-19T19:43:47.425900Z",
  "published": "2023-10-04T03:23:51.600Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/igraph/igraph/issues/1141"
    },
    {
      "type": "WEB",
      "url": "https://security-tracker.debian.org/tracker/CVE-2018-20349"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "NULL pointer dereference vulnerability",
  "upstream": [
    "CVE-2018-20349"
  ]
}