CVE-2026-124742 - Busybox: divide-by-zero in the volume_id fat prober via a zero sectors_per_cluster value

CVE-2026-124742 - Busybox: divide-by-zero in the volume_id fat prober via a zero sectors_per_cluster value

https://cvefeed.io/rssfeed/latest.atom / Wed, 11/11/2026 - 14:08
CVE ID :CVE-2026-124742
Published : Nov. 11, 2026, 12:19 p.m. | 23 minutes ago
Description :A flaw was found in BusyBox. The volume identification component fails to properly validate cluster parameters when analyzing specially formatted FAT filesystems. An attacker able to present a crafted storage device or disk image can trigger a divide-by-zero condition when partition scanning utilities inspect the volume. This issue causes the probing utilities to crash unexpectedly, resulting in a Denial of Service (DoS) that can disrupt device discovery and system boot operations.
Severity: 5.5 | MEDIUM
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