CVE-2026-38753

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 v3 4.9 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.4 / Impact : 3.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://busybox.net
https://lists.busybox.net/pipermail/busybox/2026-June/092352.html	Mailing List Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:busybox:busybox:1.38.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-07-15 21:16

Updated : 2026-07-20 16:16

NVD link : CVE-2026-38753

Mitre link : CVE-2026-38753

CVE.ORG link : CVE-2026-38753

JSON object : View

Products Affected

busybox

busybox

CWE

CWE-416

Use After Free

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