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CVE-2026-115381 Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 Unbounded Host Memory Allocation via SinkOutputStream write-zeroes

🗓️ 22 Oct 2026 19:13:49Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Unbounded memory allocation in Wasmtime SinkOutputStream write-zeroes causes DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-115381
22 Oct 202619:13
–cve
euvd
EUVD
EUVD-2026-108306
22 Oct 202619:13
–euvd
nvd
NVD
CVE-2026-115381
22 Oct 202619:17
–nvd
[
  {
    "vendor": "bytecodealliance",
    "product": "wasmtime",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:cargo/wasmtime-wasi",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "36.0.17"
      },
      {
        "version": "36.0.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "37.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "48.0.4"
      },
      {
        "version": "48.0.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "49.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "49.0.2"
      },
      {
        "version": "49.0.2",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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