CVE-2026-88832 HIGH

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

Vendor Red Hat
Product Red Hat Hardened Images
Weakness CWE-787
Published September 23, 2026
Last update September 24, 2026
View on NVD All CVEs

CVSS base score

7.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.

Key dates

02Disclosure timeline

September 23, 2026 CVE published
September 24, 2026 Record updated