CVE-2026-124739

high

Description

A flaw was found in BusyBox. When the httpd web server processes subdirectory configuration files, an overly long index page name can trigger a stack-based buffer overflow. An attacker with permissions to write to a subdirectory configuration file could exploit this vulnerability to execute arbitrary code with elevated privileges or cause a denial of service (DoS) by crashing the server process.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-123348

https://bugzilla.redhat.com/show_bug.cgi?id=2571613

https://access.redhat.com/security/cve/CVE-2026-124739

Details

Source: Mitre, NVD

Published: 2026-11-11

Updated: 2026-11-11

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00462