RUSTSEC-2022-0016

vendorUSosv

Use after free with `externref`s and epoch interruption in Wasmtime

view advisory published 2022-03-31Licence: CC0-1.0

[Use after free with `externref`s and epoch interruption in Wasmtime](https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-gwc9-348x-qwv2)

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2022-24791US	critical9.8	1.18% (68th)	—	2022-03-31
Wasmtime is a standalone JIT-style runtime for WebAssembly, using Cranelift. There is a use after free vulnerability in Wasmtime when both running Wasm that uses externrefs and ena…

references

External citations — patches, advisories, analysis.

https://crates.io/crates/wasmtimePACKAGE
https://github.com/bytecodealliance/wasmtime/commit/666c2554ea0e1728c35aa41178cf235920db888aWEB
https://rustsec.org/advisories/RUSTSEC-2022-0016.htmlADVISORY

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