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.
Overview
- Severity
- Medium (CVSS 4.9)
- CVSS Vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jul
- Released
- 2026-07-21
- EPSS Score
- 0.28% (percentile: 19.9%)
Affected Products (1)
Open Source Software
- azl3 busybox 1.36.1-24 on Azure Linux 3.0
Revision History
- 2026-07-21: Information published.