{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:nasm:netwide_assembler:3.02:rc5:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "nasm-3.02rc5"
              },
              {
                "last_affected": "nasm-3.02rc5"
              },
              {
                "introduced": "3.02-rc5"
              },
              {
                "last_affected": "3.02-rc5"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_STRING"
            ]
          },
          "events": [
            {
              "introduced": "b1ee0338a3f8027cf6886ca21ee31d444c615373"
            },
            {
              "last_affected": "b1ee0338a3f8027cf6886ca21ee31d444c615373"
            }
          ],
          "repo": "https://github.com/netwide-assembler/nasm",
          "type": "GIT"
        }
      ],
      "versions": [
        "3.02-rc5",
        "nasm-3.02rc5"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "certcc",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6067.json"
  },
  "details": "A heap buffer overflow vulnerability exists in the Netwide Assembler (NASM) due to a lack of bounds checking in the obj_directive() function. This vulnerability can be exploited by a user assembling a malicious .asm file, potentially leading to heap memory corruption, denial of service (crash), and arbitrary code execution.",
  "id": "CVE-2026-6067",
  "modified": "2026-07-15T01:49:15.434197691Z",
  "published": "2026-04-10T13:30:26.140Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6067.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6067"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/netwide-assembler/nasm/issues/203"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "CVE-2026-6067"
}