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CVE-2026-34987 Wasmtime with Winch compiler backend on aarch64 may allow a sandbox-escaping memory access

🗓️ 09 Apr 2026 18:48:33Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Wasmtime Winch on aarch64 may access host memory outside the sandbox; fixed in 36.0.7, 42.0.2, 43.0.1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-34987
9 Apr 202618:48
attackerkb
Chainguard
CVE-2026-34987 vulnerabilities
22 Apr 202607:18
cgr
Circl
CVE-2026-34987
9 Apr 202616:51
circl
CNNVD
wasmtime 缓冲区错误漏洞
9 Apr 202600:00
cnnvd
CVE
CVE-2026-34987
9 Apr 202618:48
cve
Debian CVE
CVE-2026-34987
9 Apr 202618:48
debiancve
EUVD
EUVD-2026-21031
10 Apr 202615:31
euvd
Github Security Blog
Wasmtime with Winch compiler backend on aarch64 may allow a sandbox-escaping memory access
10 Apr 202615:31
github
NVD
CVE-2026-34987
9 Apr 202619:16
nvd
OPENSUSE Linux
Security update for tree-sitter (important)
19 May 202600:00
opensuse
Rows per page
[
  {
    "vendor": "bytecodealliance",
    "product": "wasmtime",
    "versions": [
      {
        "version": ">= 25.0.0, < 36.0.7",
        "status": "affected"
      },
      {
        "version": ">= 37.0.0, < 42.0.2",
        "status": "affected"
      },
      {
        "version": ">= 43.0.0, < 44.0.1",
        "status": "affected"
      }
    ]
  }
]

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