CVE-2021-45290

Name: CVE-2021-45290
Creator: NVD / NIST
Published: 2021-12-21T18:15:08.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.47%

Last modified Jun 17, 2026

CVE-2021-45290 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A Denial of Service vulnerability exits in Binaryen 103 due to an assertion abort in wasm::handle_unreachable.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.

Description

A Denial of Service vulnerability exits in Binaryen 103 due to an assertion abort in wasm::handle_unreachable.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.47%

70.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions
Webassembly	Binaryen	103
Fedoraproject	Fedora	34
Fedoraproject	Fedora	35

References

Timeline

Published: Dec 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45290?

A Denial of Service vulnerability exits in Binaryen 103 due to an assertion abort in wasm::handle_unreachable.

How severe is CVE-2021-45290?

CVE-2021-45290 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45290?

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-2021-45290?

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

Scan your code now

Source: NVD / NIST