| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| wasmtime | ≥ 25.0.0, < 36.0.7≥ 37.0.0, < 42.0.2≥ 43.0.0, < 43.0.1< 24.0.7 | 36.0.742.0.243.0.124.0.7 |
Wasmtime is a runtime for WebAssembly. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, On x86-64 platforms with SSE3 disabled Wasmtime's compilation of the f64x2.splat WebAssembly instruction with Cranelift may load 8 more bytes than is necessary. When signals-based-traps are disabled this can result in a uncaught segfault due to loading from unmapped guard pages. With guard pages disabled it's possible for out-of-sandbox data to be loaded, but this data is not visible to WebAssembly guests. This vulnerability is fixed in 24.0.7, 36.0.7, 42.0.2, and 43.0.1.
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