CVE-2026-88832: Busybox: busybox: romfs volume id parsing performs unbounded memcpy into fixed-size label buffer, causing heap overflow

Overview

Severity

Medium (CVSS 6.1)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-10-01

EPSS Score

0.13% (percentile: 2.0%)

Affected Products (1)

Other

• 21821-17084

Revision History

• 2026-10-01: Information published.