CVE-2019-7662

Name: CVE-2019-7662
Creator: NVD / NIST
Published: 2019-02-09T16:29:00.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.60%

Last modified Jun 17, 2026

CVE-2019-7662 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An assertion failure was discovered in wasm::WasmBinaryBuilder::getType() in wasm-binary.cpp in Binaryen 1.38.22. This allows remote attackers to cause a denial of service (failed assertion and crash) via a crafted wasm file.. EPSS estimates a 1.60% chance of exploitation in the next 30 days.

Description

An assertion failure was discovered in wasm::WasmBinaryBuilder::getType() in wasm-binary.cpp in Binaryen 1.38.22. This allows remote attackers to cause a denial of service (failed assertion and crash) via a crafted wasm file.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.60%

72.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions
Webassembly	Binaryen	< 65

References

https://github.com/WebAssembly/binaryen/issues/1872Exploit, Patch, Third Party Advisory
https://github.com/WebAssembly/binaryen/issues/1872Exploit, Patch, Third Party Advisory

Timeline

Published: Feb 9, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-7662?

How severe is CVE-2019-7662?

CVE-2019-7662 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.60% probability of exploitation in the next 30 days.

How do I fix CVE-2019-7662?

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-2019-7662?

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

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Source: NVD / NIST