Security advisory

{
  "id": "d88253e6ae41c7e2418d812fdb246be028b5f3ee2807a4b8251cc20530703499",
  "url": "https://osv.dev/vulnerability/CVE-2023-49355",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-49355",
    "summary": "decToString in decNumber/decNumber.c in jq 88f01a7 has a one-byte out-of-bounds write via the \" []-1.2e-1111111111\" input. NOTE: this is not the same as CVE-2023-50246. The CVE-2023-50246 71c2ab5 reference mentions -10E-1000010001, which is not in normalized scientific notation.",
    "evidence": "osv:CVE-2023-49355",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-49355",
      "aliases": [
        "CVE-2023-49355"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jqlang/jq",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "88f01a7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "88f01a7"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-49355.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:34.184557178Z",
      "provider": "osv",
      "references": [
        "https://github.com/jqlang/jq/blob/88f01a741c8d63c4d1b5bc3ef61520c6eb93edaa/src/decNumber/decNumber.c#L3764",
        "https://github.com/jqlang/jq/tree/88f01a741c8d63c4d1b5bc3ef61520c6eb93edaa",
        "https://github.com/linzc21/bug-reports/blob/main/reports/jq/1.7-37-g88f01a7/heap-buffer-overflow/CVE-2023-49355.md",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49355.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-49355"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49355.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-49355",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 501311,
  "published_at": "2023-12-11T00:00:00+00:00"
}