{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "361a803a72817ae771db2438277229e6541e1575"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "361a803a72817ae771db2438277229e6541e1575"
            }
          ],
          "repo": "https://github.com/dajobe/raptor",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-122"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71436.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "range": [
              {
                "introduced": "2.0.15"
              },
              {
                "last_affected": "2.0.16"
              }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
          }
        ]
      },
      {
        "extracted_events": [
          {
            "range": [
              {
                "introduced": "2.0.15"
              },
              {
                "last_affected": "2.0.16"
              }
            ],
            "source": "CPE_FIELD",
            "strategy": "CPEApplicability"
          }
        ]
      },
      {
        "extracted_events": [
          {
            "range": [
              {
                "introduced": "2.0.15"
              },
              {
                "last_affected": "2.0.16"
              }
            ],
            "source": "DESCRIPTION"
          }
        ]
      }
    ]
  },
  "details": "Raptor RDF Syntax Library from 2.0.15 through 2.0.16 contains a heap-based buffer overflow vulnerability in raptor_new_term_from_counted_literal() caused by truncating language tag length to an unsigned char. Attackers can supply Turtle, TriG, N-Triples or N-Quads documents with language tags of 256 bytes or longer to corrupt heap memory, crash applications, and possibly execute code.",
  "id": "CVE-2025-71436",
  "modified": "2026-10-21T02:31:06.806340280Z",
  "published": "2026-10-20T15:40:22.461Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71436.json"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/dajobe/raptor"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/raptor_term.c#L200-L218"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/raptor_term.c#L270-L287"
    },
    {
      "type": "FIX",
      "url": "https://github.com/dajobe/raptor/commit/361a803a72817ae771db2438277229e6541e1575"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/dajobe/raptor/issues/83"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-71436"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/raptor-rdf-syntax-library-2.0.15-through-2.0.16-heap-buffer-overflow-via-language-tag"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Raptor RDF Syntax Library 2.0.15 through 2.0.16 Heap Buffer Overflow via Language Tag"
}