Global-buffer-overflow in lex_multiline_string

{
  "id": "00a8bbf60b51220437a31c6f3e2f23be440f6d942381297c400507845b8a81f3",
  "url": "https://osv.dev/vulnerability/OSV-2020-337",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Global-buffer-overflow in lex_multiline_string",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18626 ``` Crash type: Global-buffer-overflow READ 1 Crash state: lex_multiline_string lex_next parse_key_value ```",
    "evidence": "osv:OSV-2020-337",
    "products": [
      {
        "name": {
          "value": "lwan",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2020-337",
      "aliases": [
        "OSV-2020-337"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "git://github.com/lpereira/lwan",
              "type": "GIT",
              "events": [
                {
                  "introduced": "56c5aae6cb30c0247596d72916c8f2f47d6abde3"
                },
                {
                  "fixed": "7d5e299657315fb7cfc7b4c0ddb27efe0fe2893a"
                }
              ]
            }
          ],
          "package": {
            "name": "lwan",
            "purl": "pkg:generic/lwan",
            "ecosystem": "OSS-Fuzz"
          },
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/lwan/OSV-2020-337.yaml"
          }
        }
      ],
      "modified": "2026-10-20T17:25:26.778380799Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18626"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 389884,
  "published_at": "2020-07-01T00:00:03.80791+00:00"
}