MEDIUM 4.9 Microsoft
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.
Microsoft Security Update 2026-Jul: 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.
Affected Products
- azl3 busybox 1.36.1-24 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-38753
- https://nvd.nist.gov/vuln/detail/CVE-2026-38753
This medium severity vulnerability with a CVSS score of 4.9 was published on 2026-07-14 via Microsoft. Affected: azl3 busybox 1.36.1-24 on Azure Linux 3.0.
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