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CVE-2016-4804

dosfstools: Heap-buffer-overflows in read_fat() and get_fat() functions

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Severity

Low

Red Hat Product Security

1.9

CVSS 2.0

Review impact separately from score.

Published · May 14, 2016

Updated · November 21, 2025

Description

The read_boot function in boot.c in dosfstools before 4.0 allows attackers to cause a denial of service (crash) via a crafted filesystem, which triggers a heap-based buffer overflow in the (1) read_fat function or an out-of-bounds heap read in (2) get_fat function.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 1.9
AV:L/AC:M/Au:N/C:N/I:N/A:P

CWE-122 · Heap-based Buffer Overflow