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bytecodealliance wasmtime vulnerabilities in 2021, newest first

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  1. 6.3CVE-2021-39218EPSS 0.3%

    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 run…

  2. 6.3CVE-2021-39219EPSS 0.4%

    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`, …

  3. 6.3CVE-2021-39216EPSS 0.3%

    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 `externref`s from the host to guest Wasm content. To trigger the bug, you have…