CVE-2026-38753

Summary

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 Software

VendorProductVersion RangeStatus
BusyBoxBusyBox1.00 <= 1.38.0affected

Weaknesses

  • CWE-416: CWE-416 Use After Free

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References