osv-2025-767
Vulnerability from osv_ossfuzz
Published
2025-09-20 00:19
Modified
2025-09-20 00:19
Summary
UNKNOWN READ in dcd_int_handler
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=445845231

Crash type: UNKNOWN READ
Crash state:
dcd_int_handler
fuzz.cc
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "8b8f1f80b4f01fc0fc56ad58af9b784e161636b0:20c36442246279d884a6b61066fda6778c1c06ee",
        "introduced_range": "059236998ecb24a30daa8262f8d17ccba4ed3f6d:4a8b8220d94ccf16bbab47eac6340ce8572eb7b4"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "tinyusb",
        "purl": "pkg:generic/tinyusb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0263cfc01ab63d6799e80cbbf691af1979cf3ab7"
            },
            {
              "fixed": "20c36442246279d884a6b61066fda6778c1c06ee"
            }
          ],
          "repo": "https://github.com/hathach/tinyusb.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.19.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=445845231\n\n```\nCrash type: UNKNOWN READ\nCrash state:\ndcd_int_handler\nfuzz.cc\n```\n",
  "id": "OSV-2025-767",
  "modified": "2025-09-20T00:19:20.851464Z",
  "published": "2025-09-20T00:19:20.851166Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=445845231"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "UNKNOWN READ in dcd_int_handler"
}


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Sightings

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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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.