osv-2026-292
Vulnerability from osv_ossfuzz
Published
2026-02-23 00:19
Modified
2026-02-23 00:19
Summary
UNKNOWN WRITE in <wasmtime::runtime::func::Func>::call_unchecked_raw::<
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=486503337

Crash type: UNKNOWN WRITE
Crash state:
<wasmtime::runtime::func::Func>::call_unchecked_raw::<
wasmtime::runtime::component::func::call_post_return::<wasmtime::runtime::store:
<<wasmtime::runtime::component::instance::Instance>::queue_call<
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "12e29c22879ab047ec13da8bc33634dd81820318:c07c94d2f69265cb0661e446a4daee0de5e69cf1",
        "introduced_range": "3621d3e3d85a6e35b43bfbc072593a279d28bad0:ee7e125309f5bc784b8feb8969261ae41fb4703b"
      },
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "wasmtime",
        "purl": "pkg:generic/wasmtime"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "d54924aa387d9471a5be3de635e1243a63681342"
            },
            {
              "fixed": "c07c94d2f69265cb0661e446a4daee0de5e69cf1"
            }
          ],
          "repo": "https://github.com/bytecodealliance/wasmtime",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=486503337\n\n```\nCrash type: UNKNOWN WRITE\nCrash state:\n\u003cwasmtime::runtime::func::Func\u003e::call_unchecked_raw::\u003c\nwasmtime::runtime::component::func::call_post_return::\u003cwasmtime::runtime::store:\n\u003c\u003cwasmtime::runtime::component::instance::Instance\u003e::queue_call\u003c\n```\n",
  "id": "OSV-2026-292",
  "modified": "2026-02-23T00:19:15.718280Z",
  "published": "2026-02-23T00:19:15.717984Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=486503337"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "UNKNOWN WRITE in \u003cwasmtime::runtime::func::Func\u003e::call_unchecked_raw::\u003c"
}


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