What is CVE-2022-28990?

CVE-2022-28990 is a high-severity vulnerability in Wasm3 Project, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-05-20.

How severe is CVE-2022-28990?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Wasm3 Project

CVE-2022-28990

WASM3 v0.5.0 was discovered to contain a heap overflow via the component /wabt/bin/poc.wasm.

Vulnerability class: Buffer Overflow

Published 2022-05-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Wasm3 Project — versions 0.5.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/wasm3/wasm3/issues/323 (Exploit, Third Party Advisory, Issue Tracking)
github.com/wasm3/wasm3/pull/324 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-28990?: CVE-2022-28990 is a high-severity vulnerability in Wasm3 Project, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-05-20.
How severe is CVE-2022-28990?: High severity. CVSS v3 base score is 7.8 out of 10.