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Vulnerability record · CVE-2026-88832 · published 23 September 2026

CVE-2026-88832: Out-of-bounds write vulnerability

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

7.3 CVSS 3.1 High EPSS 0.13% · top 98.0% CWE-787 · Out-of-bounds write Awaiting Analysis
7.3CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
25 Sep 2026Last modified by NVD

Description

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

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

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2026-88832), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.