CVE-2023-42365

busybox: use-after-free

Published Nov 27, 2023 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
A use-after-free vulnerability was discovered in BusyBox v.1.36.1 via a crafted awk pattern in the awk.c copyvar function.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4019-1 busybox security update
EUVD EUVD EUVD-2023-46818 A use-after-free vulnerability was discovered in BusyBox v.1.36.1 via a crafted awk pattern in the awk.c copyvar function.
Ubuntu USN Ubuntu USN USN-6961-1 BusyBox vulnerabilities
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 3, 2025, 8:35 PM
Reserved
Sep 8, 2023, 12:00 AM
Status
Modified
Published
Nov 27, 2023, 11:15 PM
Modified
Jun 17, 2026, 6:23 AM
Severity
Moderate
Public date
Nov 28, 2023, 12:00 AM