Use After Free Affecting busybox package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.14% (4th percentile)

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  • Snyk IDSNYK-CENTOS6-BUSYBOX-19370384
  • published27 Aug 2026
  • disclosed15 Jul 2026

Introduced: 15 Jul 2026

CVE-2026-38753  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for Centos:6 busybox.

NVD Description

Note: Versions mentioned in the description apply only to the upstream busybox package and not the busybox package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

A use-after-free in the awk_sub() function (editors/awk.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AWK script.

CVSS Base Scores

version 3.1