CVE-2022-28990: Buffer overflow in wasm3

pywasm3 Updated 02 Oct 2025

Summary

21/05/2022

Disclosed on

CVE-2022-28990

CVE

No i

Fix available

High

Severity

7.8

CVSS Score

CVE-2022-28990: Buffer overflow in wasm3. Affects pywasm3 versions < 0.5.0. No fix is published. How to fix ↓

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Background

The package under scrutiny is wasm3, specifically version 0.5.0. wasm3 is a WebAssembly interpreter that allows executing WebAssembly modules in various environments. It provides a lightweight and efficient solution for running WebAssembly code. However, version 0.5.0 of wasm3 has been found to contain a buffer overflow vulnerability. This vulnerability can be exploited via the component /wabt/bin/poc.wasm, leading to a heap overflow.

Vulnerability Detail

The buffer overflow vulnerability in wasm3 (version 0.5.0) is a heap overflow issue. It occurs when processing the /wabt/bin/poc.wasm component. An attacker can exploit this vulnerability to overwrite adjacent memory locations, potentially leading to arbitrary code execution or a denial of service (DoS) attack. The severity of this vulnerability is rated as HIGH with a CVSS score of 7.8. The Common Weakness Enumeration (CWE) ID associated with this vulnerability is CWE-787.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

At the moment, there is no known workaround for this vulnerability. It is crucial to update to a patched version of wasm3 as soon as possible.

Conclusion

In conclusion, wasm3 version 0.5.0 has been found to contain a buffer overflow vulnerability that can be exploited via the /wabt/bin/poc.wasm component. It is crucial for users of wasm3 to update to a patched version to mitigate the risks associated with this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.

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