Heap-buffer-overflow in lj_strfmt_pushvf

{
  "id": "7aeefae7a681afb42b7d53c0ab5a2753602063de4c7452555e3d90c3fcdaa1b5",
  "url": "https://osv.dev/vulnerability/OSV-2025-93",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Heap-buffer-overflow in lj_strfmt_pushvf",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=394126186 ``` Crash type: Heap-buffer-overflow WRITE 8 Crash state: lj_strfmt_pushvf err_msgv lj_err_msg ```",
    "evidence": "osv:OSV-2025-93",
    "products": [
      {
        "name": {
          "value": "tarantool",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.4.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.4.1-entrypoint",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.5.0-entrypoint",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.4.3-entrypoint",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.4.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.4.2-entrypoint",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.4.1",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2025-93",
      "aliases": [
        "OSV-2025-93"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/tarantool/tarantool",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8ad443de995a7800906718925ce6c9162d80c4a9"
                },
                {
                  "fixed": "8c7cfb1cd0b3f5ce1d5b181403f68f7aaf657d9a"
                }
              ]
            }
          ],
          "package": {
            "name": "tarantool",
            "purl": "pkg:generic/tarantool",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "3.4.0",
            "3.4.1-entrypoint",
            "3.5.0-entrypoint",
            "3.4.3-entrypoint",
            "3.4.2",
            "3.4.2-entrypoint",
            "3.4.1"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/tarantool/OSV-2025-93.yaml",
            "fixed_range": "d0242af36253b279f0fddd6887dfd89e679c175b:8c7cfb1cd0b3f5ce1d5b181403f68f7aaf657d9a",
            "introduced_range": "f40901fbc98e46e0f4c276cbb51ffaf1abbbfebb:43aa0bf45ef18f76b312fabf3d3842d81a970bae"
          },
          "ecosystem_specific": {
            "severity": "HIGH"
          }
        }
      ],
      "modified": "2026-10-20T17:25:33.359962599Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=394126186"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 389899,
  "published_at": "2025-02-05T00:18:14.584575+00:00"
}