Security advisory

{
  "id": "6b1188a26dc602800c06b03ded2f0888de7f3eaa3bc1fbb6b68dde3a26c36ff9",
  "url": "https://osv.dev/vulnerability/CVE-2018-8881",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-8881",
    "summary": "Netwide Assembler (NASM) 2.13.02rc2 has a heap-based buffer over-read in the function tokenize in asm/preproc.c, related to an unterminated string.",
    "evidence": "osv:CVE-2018-8881",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-8881",
      "aliases": [
        "CVE-2018-8881"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/netwide-assembler/nasm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9e0807527850ff33152ff6b27c33cf609cd964a8"
                },
                {
                  "last_affected": "9e0807527850ff33152ff6b27c33cf609cd964a8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:nasm:netwide_assembler:2.13.02:rc2:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.13.02-rc2"
                      },
                      {
                        "last_affected": "2.13.02-rc2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.13.02-rc2",
            "nasm-2.13.02rc2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8881.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:48.023841412Z",
      "provider": "osv",
      "references": [
        "https://usn.ubuntu.com/3694-1/",
        "https://bugzilla.nasm.us/show_bug.cgi?id=3392446"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "14.04"
                  },
                  {
                    "last_affected": "14.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-8881",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436674,
  "published_at": "2018-03-20T23:29:00.25+00:00"
}