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

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

Avoid processing untrusted filesystem images with BusyBox blkid or findfs. Use the util-linux versions of these utilities instead (default on Fedora).

History

Thu, 24 Sep 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Busybox
Busybox busybox
Redhat hardened Images
Vendors & Products Busybox
Busybox busybox
Redhat hardened Images

Thu, 24 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Wed, 23 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 23 Sep 2026 17:15:00 +0000

Type Values Removed Values Added
Description BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.
Title Busybox: busybox: romfs volume id parsing performs unbounded memcpy into fixed-size label buffer, causing heap overflow
First Time appeared Redhat
Redhat hummingbird
Weaknesses CWE-787
CPEs cpe:/a:redhat:hummingbird:1
Vendors & Products Redhat
Redhat hummingbird
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-09-24T03:55:44.024Z

Reserved: 2026-09-10T09:42:04.559Z

Link: CVE-2026-88832

cve-icon Vulnrichment

Updated: 2026-09-23T17:41:05.487Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-23T17:17:18.573

Modified: 2026-09-24T04:18:03.670

Link: CVE-2026-88832

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-23T16:35:00Z

Links: CVE-2026-88832 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-24T09:10:38Z

Weaknesses