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CVE-2015-8872

17
FAUCET Score

CVE-2015-8872 is a medium-severity vulnerability in the set_fat function of dosfstools before version 4.0, affecting canonical and openSUSE distributions. An attacker could exploit an "off-by-two error" by writing an odd number of clusters to a FAT12 filesystem, leading to filesystem corruption or a denial of service via an invalid memory read and crash. The vulnerability has a CVSS score of 6.2, indicating a local attack vector with low complexity and high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
15.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
42.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.2MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 65th percentile among its peer group of 3,049 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: dosfstools
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: dosfstools
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: dosfstools

Vendor Advisories (1)

redhatCVE-2015-8872Moderate

dosfstools: Off-by-2 error leading to corruption in FAT12

May 14, 2016

References

lists.opensuse.org / opensuse-updates/2016-06/msg00001.html
lists.opensuse.org / opensuse-updates/2016-09/msg00014.html
blog.fuzzing-project.org / 44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
Vendor Advisory
github.com / dosfstools/dosfstools/commit/07908124838afcc99c577d1d3e84cef2dbd39cb7
github.com / dosfstools/dosfstools/issues/12
Vendor Advisory
github.com / dosfstools/dosfstools/releases/tag/v4.0
Patch
lists.debian.org / debian-lts-announce/2020/05/msg00028.html
securityfocus.com / bid/90311
ubuntu.com / usn/USN-2986-1