RUSTSEC-2026-0006
NoneCVSS
—
EPSS
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Published
Jan 26, 2026
CISA due date
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The record
Wasmtime segfault or unused out-of-sandbox load with `f64.copysign` operator on x86-64
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| crates.io | wasmtime | 29.0.0 | 36.0.5 |
| crates.io | wasmtime | 37.0.0 | 40.0.3 |
| crates.io | wasmtime | 41.0.0 | 41.0.1 |
| cargo | wasmtime | 29.0.0 | 36.0.5 |
| cargo | wasmtime | 37.0.0 | 40.0.3 |
| cargo | wasmtime | 41.0.0 | No fix |
| cargo | wasmtime | 41.0.0 | 41.0.1 |
Related vulnerabilities
- CVE-2026-24116 Wasmtime is a runtime for WebAssembly. Same vulnerability
- CVE-2026-44216 Wasmtime is a runtime for WebAssembly. Also affects wasmtime
- RUSTSEC-2026-0114 Panic when allocating a table exceeding the size of the host's address space Also affects wasmtime
- CVE-2026-34988 Wasmtime is a runtime for WebAssembly. Also affects wasmtime
- CVE-2026-35195 Wasmtime is a runtime for WebAssembly. Also affects wasmtime
- CVE-2026-34987 Wasmtime is a runtime for WebAssembly. Also affects wasmtime
- CVE-2026-35186 Wasmtime is a runtime for WebAssembly. Also affects wasmtime
- CVE-2026-34971 Wasmtime is a runtime for WebAssembly. Also affects wasmtime