Security advisory

{
  "id": "f96eb7fb41eb2deaddaed20b05a13ceffbe5a759bad430561a07af76a8f2b711",
  "url": "https://osv.dev/vulnerability/CVE-2019-8343",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-8343",
    "summary": "In Netwide Assembler (NASM) 2.14.02, there is a use-after-free in paste_tokens in asm/preproc.c.",
    "evidence": "osv:CVE-2019-8343",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-8343",
      "aliases": [
        "CVE-2019-8343"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/netwide-assembler/nasm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "74246c499ea4313fb8837977dc0c135fc50567c0"
                },
                {
                  "last_affected": "74246c499ea4313fb8837977dc0c135fc50567c0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:nasm:netwide_assembler:2.14.02:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.14.02"
                      },
                      {
                        "last_affected": "2.14.02"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.14.02",
            "nasm-2.14.02"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-8343.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:24.794914026Z",
      "provider": "osv",
      "references": [
        "https://security.gentoo.org/glsa/202312-09",
        "https://bugzilla.nasm.us/show_bug.cgi?id=3392556"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-8343",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431220,
  "published_at": "2019-02-15T07:29:00.553+00:00"
}