CVE-2026-38753

4.9 mediumEPSS 0.1%

Medium (4.9) in busybox busybox. EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.9 medium

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-11-01)
CWE: CWE-416
Published: 2026-07-15
Modified: 2026-07-20
Record from: the NVD, synced 2026-10-19

Affected

busybox:busybox

References

https://busybox.net
https://lists.busybox.net/pipermail/busybox/2026-June/092352.html

Check your stack JSON