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CVE-2026-34944

🗓️ 09 Apr 2026 19:16:24Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 4 Views

Wasmtime on x86-64 with SSE3 disabled could load 8 extra bytes in f64x2.splat, causing a segfault; fixed in later releases.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-34944
9 Apr 202618:38
attackerkb
Chainguard
CVE-2026-34944 vulnerabilities
22 Apr 202607:18
cgr
CNNVD
wasmtime 安全漏洞
9 Apr 202600:00
cnnvd
CVE
CVE-2026-34944
9 Apr 202618:38
cve
Cvelist
CVE-2026-34944 Wasmtime segfault or unused out-of-sandbox load with `f64x2.splat` operator on x86-64
9 Apr 202618:38
cvelist
Debian CVE
CVE-2026-34944
9 Apr 202618:38
debiancve
EUVD
EUVD-2026-21023
9 Apr 202620:22
euvd
Github Security Blog
Wasmtime segfault or unused out-of-sandbox load with `f64x2.splat` operator on x86-64
9 Apr 202620:22
github
OPENSUSE Linux
Security update for tree-sitter (important)
19 May 202600:00
opensuse
OSV
CGA-9GQP-P96H-8RJ6
22 Apr 202605:00
osv
Rows per page
NVD
Node
bytecodealliancewasmtimeRange<24.0.7rust
OR
bytecodealliancewasmtimeRange25.0.036.0.7rust
OR
bytecodealliancewasmtimeRange37.0.042.0.2rust
OR
bytecodealliancewasmtimeRange43.0.043.0.1rust

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20 Apr 2026 18:27Current
CVSS 3.15.7
CVSS 44.1
EPSS0.00227
4