CVE-2026-88832
7.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Summary
BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Red Hat | Red Hat Hardened Images | 1.37.0-9.1.hum1 < * | unaffected |
Weaknesses
- CWE-787: Out-of-bounds Write
Workarounds
Avoid processing untrusted filesystem images with BusyBox blkid or findfs. Use the util-linux versions of these utilities instead (default on Fedora).
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://access.redhat.com/errata/RHSA-2026:72111
- https://access.redhat.com/security/cve/CVE-2026-88832
- https://bugzilla.redhat.com/show_bug.cgi?id=2531345
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