FascinatedBox lily lily_emitter.c count_transforms out-of-bounds

{
  "id": "1b7ee1cd93354a7f32ccaf1183357792c0e3ed0724eeecd0712c9c8dd1f8d59f",
  "url": "https://osv.dev/vulnerability/CVE-2026-2662",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "FascinatedBox lily lily_emitter.c count_transforms out-of-bounds",
    "summary": "A weakness has been identified in FascinatedBox lily up to 2.3. This vulnerability affects the function count_transforms of the file src/lily_emitter.c. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.",
    "evidence": "osv:CVE-2026-2662",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-2662",
      "aliases": [
        "CVE-2026-2662"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/fascinatedbox/lily",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d41b30dc93d296ab1d59363fec98ef2892a1c7fd"
                },
                {
                  "last_affected": "6c1fb158e08c210b1f41dd5fc0417a0abf36ca55"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "2.0"
                      },
                      {
                        "last_affected": "2.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "2.1"
                      },
                      {
                        "last_affected": "2.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "2.2"
                      },
                      {
                        "last_affected": "2.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "2.3"
                      },
                      {
                        "last_affected": "2.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "cpe": "cpe:2.3:a:lily-lang:lily:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.0",
            "2.1",
            "2.2",
            "2.3",
            "v2.3",
            "v2.2",
            "v2.1",
            "v2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2662.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.494492967Z",
      "provider": "osv",
      "references": [
        "https://github.com/FascinatedBox/lily/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2662.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-2662",
        "https://vuldb.com/?id.346460",
        "https://vuldb.com/?submit.753166",
        "https://github.com/FascinatedBox/lily/issues/381",
        "https://vuldb.com/?ctiid.346460",
        "https://github.com/oneafter/0122/blob/main/i381/repro.lily"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-119",
          "CWE-125"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2662.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-2662",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491947,
  "published_at": "2026-02-18T19:32:07.847+00:00"
}