What is CVE-2022-24791?

CVE-2022-24791 is a high-severity vulnerability in Bytecodealliance Wasmtime, classified under Use After Free. CVSS score: 8.1/10. Published 2022-03-31.

How severe is CVE-2022-24791?

High severity. CVSS v3 base score is 8.1 out of 10.

Use After Free in Bytecodealliance Wasmtime

CVE-2022-24791

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 enabling epoch interruption in Wasmtime. If you are not explic…

Vulnerability class: Use-After-Free

EPSS: 0.005 (64.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Bytecodealliance Wasmtime — versions < 0.34.2, >= 0.35.0, < 0.35.2

Weakness classification (CWE)

CWE-416 — Use After Free

References

github.com/bytecodealliance/wasmtime/security/advisories/GHSA-gwc9-348x-qwv2 (x_refsource_CONFIRM)
github.com/bytecodealliance/wasmtime/commit/666c2554ea0e1728c35aa41178cf235920d… (x_refsource_MISC)

Frequently asked questions

What is CVE-2022-24791?: CVE-2022-24791 is a high-severity vulnerability in Bytecodealliance Wasmtime, classified under Use After Free. CVSS score: 8.1/10. Published 2022-03-31.
How severe is CVE-2022-24791?: High severity. CVSS v3 base score is 8.1 out of 10.