CVE-2026-88832
Busybox: busybox: romfs volume id parsing performs unbounded memcpy into fixed-size label buffer, causing heap overflow
- State
- Published
- Severity
- 7.3 High
- Published
- Sep 23, 2026
- Updated
- Sep 25, 2026
- Reserved
- Sep 10, 2026
Description
BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.3 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H | redhat |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
Red Hat Hardened ImagesRed Hat |
|
References
- RHSA-2026:72111vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-88832vdb-entry
- RHBZ#2531345issue-tracking
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