A heap-based buffer over-read that might affect a system that compiles untrusted Lua code in turanszkij/WickedEngine.

{
  "id": "40734894671e5832e73d2a667409b43ede2c28ff43473b691d6ac3c5e08bb2a6",
  "url": "https://osv.dev/vulnerability/CVE-2026-24821",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "A heap-based buffer over-read that might affect a system that compiles untrusted Lua code in turanszkij/WickedEngine.",
    "summary": "Out-of-bounds Read vulnerability in turanszkij WickedEngine (WickedEngine/LUA modules). This vulnerability is associated with program files lparser.C. This issue affects WickedEngine: through 0.71.727.",
    "evidence": "osv:CVE-2026-24821",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-24821",
      "aliases": [
        "CVE-2026-24821"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:H/SI:N/SA:H/S:N/AU:Y/R:U/V:D/RE:M/U:Amber"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/turanszkij/wickedengine",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "bc128fe6eb9e898ac4478a4446af9519087905f2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.71.727"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.71.727"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.71.727",
            "v0.71.711",
            "v0.71.705",
            "v0.71.672",
            "v0.71.645",
            "v0.71.624",
            "v0.71.613",
            "v0.71.585",
            "v0.71.563",
            "v0.71.532",
            "v0.71.531",
            "v0.71.501",
            "v0.71.473",
            "v0.71.446",
            "v0.71.422",
            "v0.71.392",
            "v0.71.385",
            "v0.71.354",
            "v0.71.338",
            "v0.71.312",
            "v0.71.285",
            "v0.71.272",
            "v0.71.239",
            "v0.71.219",
            "v0.71.195",
            "v0.71.190",
            "v0.71.176",
            "v0.71.143",
            "v0.71.137",
            "v0.71.124",
            "v0.71.100",
            "v0.71.47",
            "v0.71.34",
            "v0.70.18",
            "v0.70.0",
            "v0.60.84",
            "v0.60.61",
            "v0.60.4",
            "v0.59.3",
            "0.56.34",
            "v0.51.18",
            "v0.49.1",
            "v0.48.0",
            "v0.42.2",
            "0.12.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-24821.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.893446737Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24821.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-24821",
        "https://github.com/turanszkij/WickedEngine/pull/1095",
        "https://github.com/turanszkij/WickedEngine"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-125"
        ],
        "cna_assigner": "GovTech CSG",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24821.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-24821",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 498558,
  "published_at": "2026-01-27T08:57:26.461+00:00"
}