CVE-2026-89088
Medium · 5.5CVSS
5.5
EPSS
0.1%
Published
Oct 16, 2026
CISA due date
—
The record
A flaw was found in parted. A heap-based buffer overflow exists in libparted's file system resizing logic when handling FAT16 volumes. By convincing a user or administrator to resize a specially crafted FAT16 file system image with malformed directory metadata, an attacker can trigger an oversized read into a fixed-size memory buffer. This issue causes memory corruption, resulting in an application crash and a denial of service (DoS).
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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