CVE-2026-38753: n/a
A use-after-free vulnerability exists in the awk_sub() function of Busybox version 1.38.0. This flaw can be triggered by supplying a crafted AWK script, leading to a Denial of Service (DoS) condition. No patch or official remediation information is currently available. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-38753 describes a use-after-free vulnerability in the awk_sub() function within the editors/awk.c component of Busybox v1.38.0. An attacker can cause a Denial of Service by providing a specially crafted AWK script that triggers this memory management flaw. The vulnerability is publicly disclosed but lacks a CVSS score and vendor remediation details.
Potential Impact
Successful exploitation results in a Denial of Service, potentially causing the Busybox process to crash or behave unexpectedly. There is no evidence of code execution or data disclosure from the provided information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, avoid processing untrusted AWK scripts with Busybox v1.38.0 to reduce exposure.
CVE-2026-38753: n/a
Description
A use-after-free vulnerability exists in the awk_sub() function of Busybox version 1.38.0. This flaw can be triggered by supplying a crafted AWK script, leading to a Denial of Service (DoS) condition. No patch or official remediation information is currently available. There are no known exploits in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-38753 describes a use-after-free vulnerability in the awk_sub() function within the editors/awk.c component of Busybox v1.38.0. An attacker can cause a Denial of Service by providing a specially crafted AWK script that triggers this memory management flaw. The vulnerability is publicly disclosed but lacks a CVSS score and vendor remediation details.
Potential Impact
Successful exploitation results in a Denial of Service, potentially causing the Busybox process to crash or behave unexpectedly. There is no evidence of code execution or data disclosure from the provided information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, avoid processing untrusted AWK scripts with Busybox v1.38.0 to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-06T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a57f59668715ace437838c0
Added to database: 07/15/2026, 21:03:18 UTC
Last enriched: 07/15/2026, 21:18:25 UTC
Last updated: 07/16/2026, 03:33:58 UTC
Views: 7
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