CVE-2016-4804

medium

Published 2016-06-03 · Modified 2026-05-06

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CVSS v3

6.2

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

6.2

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.

Predictions

Exploit likelihood

62%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

SUSE Affected 3 releases

Version	Status	Fixed in
42.1	Affected	—
13.2	Affected	—
—	Affected	—

Ubuntu Affected 4 releases

Version	Status	Fixed in
16.04	Affected	—
15.10	Affected	—
14.04	Affected	—
12.04	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`4.0-1`
sid	Fixed	`4.0-1`
forky	Fixed	`4.0-1`
bullseye	Fixed	`4.0-1`
bookworm	Fixed	`4.0-1`

Application impact

Vendor	Product	Versions	Fixed
dosfstools_project	dosfstools	`{"endIncluding":"3.0.28"}`

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.