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BytecodeallianceWasmtime

4 matches found

CVE
CVE•added 2022/06/28 12:15 a.m.•70 views

CVE-2022-31104

Wasmtime is a standalone runtime for WebAssembly. In affected versions wasmtime's implementation of the SIMD proposal for WebAssembly on x86_64 contained two distinct bugs in the instruction lowerings implemented in Cranelift. The aarch64 implementation of the simd proposal is not affected. The bug...

6.8CVSS5.6AI score0.00641EPSS
CVE
CVE•added 2021/09/17 8:15 p.m.•69 views

CVE-2021-39219

Wasmtime is an open source runtime for WebAssembly & WASI. Wasmtime before version 0.30.0 is affected by a type confusion vulnerability. As a Rust library the wasmtime crate clearly marks which functions are safe and which are unsafe, guaranteeing that if consumers never use unsafe then it should n...

6.3CVSS6.3AI score0.00074EPSS
CVE
CVE•added 2021/09/17 9:15 p.m.•64 views

CVE-2021-39218

Wasmtime is an open source runtime for WebAssembly & WASI. In Wasmtime from version 0.26.0 and before version 0.30.0 is affected by a memory unsoundness vulnerability. There was an invalid free and out-of-bounds read and write bug when running Wasm that uses externrefs in Wasmtime. To trigger this ...

6.3CVSS6.5AI score0.00089EPSS
CVE
CVE•added 2021/09/17 8:15 p.m.•58 views

CVE-2021-39216

Wasmtime is an open source runtime for WebAssembly & WASI. In Wasmtime from version 0.19.0 and before version 0.30.0 there was a use-after-free bug when passing externrefs from the host to guest Wasm content. To trigger the bug, you have to explicitly pass multiple externrefs from the host to a Was...

6.3CVSS6.4AI score0.00074EPSS