Wasmtime is a runtime for WebAssembly. In versions from 38.0.0 to before 38.0.3, the implementation of component-model related host-to-wasm trampolines in Wasmtime contained a bug where it's possible to carefully craft a component, which when called in a specific way, would crash the host with a segfault or assert failure. Wasmtime 38.0.3 has been released and is patched to fix this issue. There are no workarounds.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| wasmtime(crates.io) | 38.0.0 | 38.0.3 | N/A |
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