CVE-2021-39216

MEDIUM6.3EPSS 0.15%

Multiple Vulnerabilities in Wasmtime

Published: 9/20/2021Modified: 3/15/2024
Also known as:GHSA-4873-36h9-wv49GHSA-q879-9g95-56mxGHSA-v4cp-h94r-m7xfPYSEC-2021-320PYSEC-2021-321PYSEC-2021-322RUSTSEC-2021-0110

Description

* [Use after free passing `externref`s to Wasm in Wasmtime](https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-v4cp-h94r-m7xf) * [Out-of-bounds read/write and invalid free with `externref`s and GC safepoints in Wasmtime](https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-4873-36h9-wv49) * [Wrong type for `Linker`-define functions when used across two `Engine`s](https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q879-9g95-56mx)

Affected packages (10)

CVSS scores

SourceVersionSeverityVector
osvCVSS 4.0CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
osvCVSS 3.1MEDIUM6.3CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

References (18)