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Wasmtime segfault or unused out-of-sandbox load with `f64x2.splat` operator on x86-64

Wasmtime segfault or unused out-of-sandbox load with `f64x2.splat` operator on x86-64

CVE-2026-34944Published 5 months agoUpdated 5 days agoSource: OSV

Affected packages

  • wasmtime

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
—
EPSS percentile
—

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.

Sources

Structured record: https://osv.dev/vulnerability/GHSA-qqfj-4vcm-26hv

Recommended response stack

Snyk — Scan your dependencies in CI and fix this vulnerability.→

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Wasmtime segfault or unused out-of-sandbox load with `f64x2.splat` operator on x86-64 | HackTribune