CVE-2026-38753CWE-416

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…

Medium · published July 15, 2026

CVSS v3.1
4.9
EPSS
0%
Percentile
3.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.9 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00145 · 3.5th percentile
Weakness
CWE-416 · Use After Free
Published
2026-07-15T00:00Z
EPSS history
Timeline
  • 15 JUL 00:00Z
    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…
    cvelistv5