osv-2026-718
Vulnerability from osv_ossfuzz
Published
2026-05-12 00:14
Modified
2026-05-12 00:14
Summary
Heap-buffer-overflow in md_parse
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=511825301

Crash type: Heap-buffer-overflow READ 1
Crash state:
md_parse
md_html
fuzz-mdhtml.c
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "345666722d965072c2c94bbb08b2ae91385c1592:4f0b252c8e8952d53156949777ebfe3f9355def3",
        "introduced_range": "07712a59a4cdb66170d608125ce3a191ffa3d4c7:345666722d965072c2c94bbb08b2ae91385c1592"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "md4c",
        "purl": "pkg:generic/md4c"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "ed89abed05845225cdfe2c94a49ec13a37b7578f"
            },
            {
              "fixed": "4f0b252c8e8952d53156949777ebfe3f9355def3"
            }
          ],
          "repo": "https://github.com/mity/md4c",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=511825301\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nmd_parse\nmd_html\nfuzz-mdhtml.c\n```\n",
  "id": "OSV-2026-718",
  "modified": "2026-05-12T00:14:15.556499Z",
  "published": "2026-05-12T00:14:15.556208Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=511825301"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Heap-buffer-overflow in md_parse"
}


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