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CVE-2025-61670 Wasmtime has memory leak in C API with `externref` and `anyref` types

🗓️ 07 Oct 2025 18:49:53Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API for anyref and externref.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2025-61670
14 Jul 202619:42
circl
CNNVD
Wasmtime 安全漏洞
7 Oct 202500:00
cnnvd
CVE
CVE-2025-61670
7 Oct 202518:49
cve
Debian CVE
CVE-2025-61670
7 Oct 202518:49
debiancve
EUVD
EUVD-2025-32904
7 Oct 202518:49
euvd
EUVD
EUVD-2025-33183
14 Jul 202617:48
euvd
Github Security Blog
Wasmtime: Memory leak in C API with `externref` and `anyref` types
14 Jul 202617:48
github
NVD
CVE-2025-61670
7 Oct 202519:15
nvd
OSV
CVE-2025-61670 Wasmtime has memory leak in C API with `externref` and `anyref` types
7 Oct 202518:49
osv
OSV
GHSA-VVP9-H8P2-XWFC Wasmtime: Memory leak in C API with `externref` and `anyref` types
14 Jul 202617:48
osv
Rows per page
[
  {
    "vendor": "bytecodealliance",
    "product": "wasmtime",
    "versions": [
      {
        "version": ">= 37.0.0, < 37.0.2",
        "status": "affected"
      }
    ]
  }
]

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07 Oct 2025 18:49Current
CVSS 41
EPSS0.00178
12