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CVE-2026-34941 Wasmtime has a Heap OOB read in component model UTF-16 to latin1+utf16 string transcoding

🗓️ 09 Apr 2026 18:29:30Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 15 Views

Wasmtime had a heap out-of-bounds read during UTF-16 to latin1+utf16 transcoding; fixed in 24.0.7 and later.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-34941
9 Apr 202618:29
attackerkb
Chainguard
CVE-2026-34941 vulnerabilities
22 Apr 202607:18
cgr
Circl
CVE-2026-34941
20 Apr 202619:17
circl
CNNVD
wasmtime 缓冲区错误漏洞
9 Apr 202600:00
cnnvd
CVE
CVE-2026-34941
9 Apr 202618:29
cve
Debian CVE
CVE-2026-34941
9 Apr 202618:29
debiancve
EUVD
EUVD-2026-20988
9 Apr 202620:22
euvd
Github Security Blog
Wasmtime: Heap OOB read in component model UTF-16 to latin1+utf16 string transcoding
9 Apr 202620:22
github
NVD
CVE-2026-34941
9 Apr 202619:16
nvd
OPENSUSE Linux
libtree-sitter0_26-0.26.8-2.1 on GA media (moderate)
9 May 202600:00
opensuse
Rows per page
[
  {
    "vendor": "bytecodealliance",
    "product": "wasmtime",
    "versions": [
      {
        "version": "< 24.0.7",
        "status": "affected"
      },
      {
        "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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