Incorrect calculation in Wasmtime - CVE-2022-31169

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Main Vulnerability Database Vulnerabilities #VU127027

Incorrect calculation in Wasmtime - CVE-2022-31169

Published: July 20, 2022 / Updated: April 23, 2026


Vulnerability identifier: #VU127027
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-31169
CWE-ID: CWE-682
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Wasmtime
Software vendor:
Bytecode Alliance

Description

The vulnerability allows a remote attacker to cause incorrect computation results within the WebAssembly sandbox.

The vulnerability exists due to improper handling of sign and zero extension in Cranelift code generation for division operations when compiling WebAssembly programs for AArch64 targets. A remote attacker can execute a specially crafted WebAssembly program to cause incorrect computation results within the WebAssembly sandbox.

Only AArch64 targets are affected.


Remediation

Install security update from vendor's website.

External links