What is GHSA-jcqv-rj94-jmx3?

GHSA-jcqv-rj94-jmx3 is a security advisory published by GitHub Security Advisories with High severity. A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers...

Which CVE IDs does GHSA-jcqv-rj94-jmx3 cover?

GHSA-jcqv-rj94-jmx3 covers the following CVE IDs: CVE-2026-38755. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jcqv-rj94-jmx3?

GHSA-jcqv-rj94-jmx3 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-jcqv-rj94-jmx3HighCVSS 7.5

A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers...

Vendor

GitHub Security Advisories

Published

July 16, 2026

Last Modified

July 16, 2026

🔗 CVE IDs covered (1)

CVE-2026-38755 →

📋 Description

A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-38755
https://busybox.com
https://lists.busybox.net/pipermail/busybox/2026-June/092354.html
https://github.com/advisories/GHSA-jcqv-rj94-jmx3