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CVE-2026-34971 Wasmtime miscompiled guest heap access enables sandbox escape on aarch64 Cranelift

🗓️ 09 Apr 2026 18:45:44Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 15 Views

Wasmtime miscompiles aarch64 heap load, enabling sandbox escape via arbitrary host memory read/write.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-34971
9 Apr 202618:45
attackerkb
Chainguard
CVE-2026-34971 vulnerabilities
22 Apr 202607:18
cgr
Circl
CVE-2026-34971
9 Apr 202621:10
circl
CNNVD
wasmtime 缓冲区错误漏洞
9 Apr 202600:00
cnnvd
CVE
CVE-2026-34971
9 Apr 202618:45
cve
Debian CVE
CVE-2026-34971
9 Apr 202618:45
debiancve
EUVD
EUVD-2026-21027
9 Apr 202620:23
euvd
Github Security Blog
Wasmtime: Miscompiled guest heap access enables sandbox escape on aarch64 Cranelift
9 Apr 202620:23
github
NVD
CVE-2026-34971
9 Apr 202619:16
nvd
OSV
CGA-VMHF-4J8M-VMQX
22 Apr 202605:01
osv
Rows per page
[
  {
    "vendor": "bytecodealliance",
    "product": "wasmtime",
    "versions": [
      {
        "version": ">= 32.0.0, < 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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