Vulnerability in Bytecodealliance Wasmtime
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…
EPSS: 0.021 (84.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Bytecodealliance Wasmtime — versions wasmtime: < 0.38.1, cranelift-codegen: < 0.85.0
Weakness classification (CWE)
References
- github.com/bytecodealliance/wasmtime/security/advisories/GHSA-jqwc-c49r-4w2x (x_refsource_CONFIRM)
- github.com/bytecodealliance/wasmtime/pull/4317 (x_refsource_MISC)
- github.com/bytecodealliance/wasmtime/pull/4318 (x_refsource_MISC)
- docs.rs/wasmtime/latest/wasmtime/struct.Config.html (x_refsource_MISC)
- github.com/webassembly/simd (x_refsource_MISC)
- webassembly.github.io/spec/ (x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-31104?
- CVE-2022-31104 is a medium-severity vulnerability in Bytecodealliance Wasmtime, classified under Incorrect Calculation. CVSS score: 4.8/10. Published 2022-06-27.
- How severe is CVE-2022-31104?
- Medium severity. CVSS v3 base score is 4.8 out of 10.