Out-of-Bounds Affecting dosfstools package, versions <4.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.45% (39th percentile)

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  • Snyk IDSNYK-DEBIAN14-DOSFSTOOLS-11740672
  • published10 Aug 2025
  • disclosed3 Jun 2016

Introduced: 3 Jun 2016

CVE-2016-4804  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Debian:14 dosfstools to version 4.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dosfstools package and not the dosfstools package as distributed by Debian. See How to fix? for Debian:14 relevant fixed versions and status.

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 Base Scores

version 3.1