CVE-2026-38753
MEDIUM
4.9
CVSS Score
Published: July 15, 2026 at 12:00 AM UTC
Updated: July 20, 2026 at 05:48 PM UTC
1 product affected across 1 vendorBusyBox
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Severity
MEDIUM4.9
Exploit prediction
EPSS 0.1%
SSVC
No known exploit
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
Source: cverecord
http://busybox.comMailing ListPatchVendor Advisory
Source: cverecord
https://lists.busybox.net/pipermail/busybox/2026-June/092352.htmlSource: cverecord
https://busybox.netSSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
4.9MEDIUMmitre
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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