osv-2026-1026
Vulnerability from osv_ossfuzz
Published
2026-07-05 00:16
Modified
2026-07-05 00:16
Summary
Global-buffer-overflow in txt2sd
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=530698821

Crash type: Global-buffer-overflow READ 1
Crash state:
txt2sd
fuzz_mdns_xht.cc
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "60ce89f3625577c88374d4d44e2a197f68f8a6c3:81470adffcc5540e8016aeb6fcd0601e5f062dbb",
        "introduced_range": "ced702b03d0d53f91779dafd1e91f7a32f7e9947:187849f2d3c64083427722cbdd106cb03c9e6192"
      },
      "ecosystem_specific": {
        "severity": null
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "open62541",
        "purl": "pkg:generic/open62541"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "78e28f558c4a36cb10c86962c86d6770482920e5"
            },
            {
              "fixed": "81470adffcc5540e8016aeb6fcd0601e5f062dbb"
            }
          ],
          "repo": "https://github.com/open62541/open62541.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "v1.5.5"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=530698821\n\n```\nCrash type: Global-buffer-overflow READ 1\nCrash state:\ntxt2sd\nfuzz_mdns_xht.cc\n```\n",
  "id": "OSV-2026-1026",
  "modified": "2026-07-05T00:16:13.389099Z",
  "published": "2026-07-05T00:16:13.388828Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=530698821"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Global-buffer-overflow in txt2sd"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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