CVE-2022-43281

Name: CVE-2022-43281
Creator: NVD / NIST
Published: 2022-10-28T21:15:09.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2022-43281 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocator<wabt::Type>>::size() at /bits/stl_vector.h.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocator<wabt::Type>>::size() at /bits/stl_vector.h.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.32%

23.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Webassembly	Wasm	1.0.29

References

https://github.com/WebAssembly/wabt/issues/1981Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/WebAssembly/wabt/issues/1981Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Oct 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43281?

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocator<wabt::Type>>::size() at /bits/stl_vector.h.

How severe is CVE-2022-43281?

CVE-2022-43281 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43281?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-43281?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST