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osv-2026-1198
Vulnerability from osv_ossfuzz
Published
2026-08-25 00:18
Modified
2026-08-25 00:18
Summary
Stack-buffer-overflow in msLayoutTextSymbol
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=551099259

Crash type: Stack-buffer-overflow READ 4
Crash state:
msLayoutTextSymbol
msWriteErrorImage
msWMSException
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "66fb4b5f3a91ff64dec0249833d72d40f9128537:2f88fcd2202ebd643350b63ffad1259b8cc2bbe8",
        "introduced_range": "280a8701b338df5e9e84f1eb0f03b8a396982893:a8ae991083942f156fbcc1ed1b5cefdf72612ba2"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "mapserver",
        "purl": "pkg:generic/mapserver"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "c2ec9215037703e029fbd64259977aaabfdbb9e7"
            },
            {
              "fixed": "e84d91b4732e35132a28d72ad5f3c962a7acaed5"
            },
            {
              "fixed": "2f88fcd2202ebd643350b63ffad1259b8cc2bbe8"
            }
          ],
          "repo": "https://github.com/MapServer/MapServer",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=551099259\n\n```\nCrash type: Stack-buffer-overflow READ 4\nCrash state:\nmsLayoutTextSymbol\nmsWriteErrorImage\nmsWMSException\n```\n",
  "id": "OSV-2026-1198",
  "modified": "2026-08-25T00:18:59.857603Z",
  "published": "2026-08-25T00:18:59.857307Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=551099259"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "Stack-buffer-overflow in msLayoutTextSymbol"
}



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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.

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Nomenclature

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


Detection rules are retrieved from Rulezet.