osv-2025-729
Vulnerability from osv_ossfuzz
Published
2025-09-13 00:08
Modified
2025-09-13 00:08
Summary
UNKNOWN READ in sam_hrecs_free_tags
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=444492076

Crash type: UNKNOWN READ
Crash state:
sam_hrecs_free_tags
sam_hrecs_parse_single_line
sam_hdr_build_from_sam_file
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "3668b932bdb9f737c4af9c28ddbf0472156a5f24:c767e60edc31bd40f7d20f09ad5e8f750550be5b",
        "introduced_range": "ca3a57b7d6809b2bf869e357b7840f1a3ca7eb19:3668b932bdb9f737c4af9c28ddbf0472156a5f24"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "htslib",
        "purl": "pkg:generic/htslib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "ab4abb78d1d43ddfccad3317a156d4bc4031e80e"
            },
            {
              "fixed": "2a4eac0fb2ccec7429e8325d1bb8d5e3f4e93813"
            },
            {
              "fixed": "c767e60edc31bd40f7d20f09ad5e8f750550be5b"
            }
          ],
          "repo": "https://github.com/samtools/htslib.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=444492076\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nsam_hrecs_free_tags\nsam_hrecs_parse_single_line\nsam_hdr_build_from_sam_file\n```\n",
  "id": "OSV-2025-729",
  "modified": "2025-09-13T00:08:43.863848Z",
  "published": "2025-09-13T00:08:43.863495Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=444492076"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "UNKNOWN READ in sam_hrecs_free_tags"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.