CVE-2026-88832: Red Hat Hardened Images

High severity, CVSS 7.3. EPSS: 0.1% chance of exploitation in the next 30 days.

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

Affected products

• Red Hat Red Hat Hardened Images: before 1.37.0-9.1.hum1 (fixed in 1.37.0-9.1.hum1)

Published 2026-09-23. Last modified 2026-09-25.