CVE-2022-28966

Name: CVE-2022-28966
Creator: NVD / NIST
Published: 2022-04-16T16:15:07.75+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2022-28966 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Wasm3 0.5.0 has a heap-based buffer overflow in NewCodePage in m3_code.c (called indirectly from Compile_BranchTable in m3_compile.c).. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

Wasm3 0.5.0 has a heap-based buffer overflow in NewCodePage in m3_code.c (called indirectly from Compile_BranchTable in m3_compile.c).

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.58%

43.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Wasm3 Project	Wasm3	0.5.0

References

https://github.com/wasm3/wasm3/issues/320Exploit, Issue Tracking, Third Party Advisory
https://github.com/wasm3/wasm3/issues/320Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Apr 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28966?

Wasm3 0.5.0 has a heap-based buffer overflow in NewCodePage in m3_code.c (called indirectly from Compile_BranchTable in m3_compile.c).

How severe is CVE-2022-28966?

CVE-2022-28966 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28966?

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-2022-28966?

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

Scan your code now

Source: NVD / NIST