The set_fat function in fat.c in dosfstools before 4.0 might allow attackers to corrupt a FAT12 filesystem or cause a denial of service (invalid memory read and crash) by writing an odd number of clusters to the third to last entry on a FAT12 filesystem, which triggers an "off-by-two error."
CVE-2015-8872
Score 6.2 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 6.2; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.2
- EG Score
- 6.2(medium)
- EG Risk
- 33(Track)EG Risk 33/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity62% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 36%
- KEV
- Not listed
Published
June 3, 2016
Last Modified
June 17, 2026
References (18)
- cve@mitrehttp://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html
- cve@mitrehttp://lists.opensuse.org/opensuse-updates/2016-09/msg00014.html
- cve@mitrehttp://www.securityfocus.com/bid/90311
- cve@mitrehttp://www.ubuntu.com/usn/USN-2986-1
- cve@mitrehttps://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
- cve@mitrehttps://github.com/dosfstools/dosfstools/commit/07908124838afcc99c577d1d3e84cef2dbd39cb7
- cve@mitrehttps://github.com/dosfstools/dosfstools/issues/12
- cve@mitrehttps://github.com/dosfstools/dosfstools/releases/tag/v4.0
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/05/msg00028.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-09/msg00014.html
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/90311
- af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2986-1
- af854a3a-2127-422b-91ae-364da2661108https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
- af854a3a-2127-422b-91ae-364da2661108https://github.com/dosfstools/dosfstools/commit/07908124838afcc99c577d1d3e84cef2dbd39cb7
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | dosfstools (3.0.12-1ubuntu1.3) @ precise | 2026-05-22 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(6 across 6 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| dosfstools | — | 4.0-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| dosfstools | — | 4.0-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| dosfstools | — | 4.0-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| dosfstools | — | 4.0-1 | — |
Debian:7(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| dosfstools | 3.0.13-1 | 3.0.13-1+deb7u1 | — |
Debian:8(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| dosfstools | 3.0.27-1 | 3.0.27-1+deb8u1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 5× in last 7d / 21× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 143 total refreshes for this CVE.
- 2026-09-18 23:42 UTCOSV refresh
- 2026-09-18 19:22 UTCEPSS rescore
- 2026-09-17 19:21 UTCEPSS rescore
- 2026-09-15 03:05 UTCEPSS rescore
- 2026-09-13 16:41 UTCEPSS rescore
- 2026-09-12 14:55 UTCEPSS rescore
- 2026-09-11 09:31 UTCEPSS rescore
- 2026-09-10 09:26 UTCEPSS rescore
- 2026-09-07 15:56 UTCEPSS rescore
- 2026-09-06 13:42 UTCEPSS rescore
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- 2026-09-02 14:07 UTCEPSS rescore
- 2026-09-01 13:48 UTCEPSS rescore
- 2026-09-01 03:31 UTCEPSS rescore
- 2026-08-31 03:33 UTCOSV refresh
- 2026-08-27 14:20 UTCEPSS rescore
- 2026-08-26 14:41 UTCEPSS rescore
- 2026-08-25 13:44 UTCEPSS rescore
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- 2026-08-21 23:44 UTCEPSS rescore
- 2026-08-20 22:50 UTCEPSS rescore
- 2026-08-19 16:59 UTCEPSS rescore
- 2026-08-18 13:43 UTCEPSS rescore
- 2026-08-16 14:51 UTCEPSS rescore
- 2026-08-16 02:09 UTCEPSS rescore
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- 2026-08-15 01:25 UTCEPSS rescore
- 2026-08-14 11:46 UTCOSV refresh
- 2026-08-12 13:46 UTCEPSS rescore
- 2026-08-11 13:36 UTCEPSS rescore
- 2026-08-09 13:42 UTCEPSS rescore
- 2026-08-08 16:32 UTCEPSS rescore
- 2026-08-07 16:22 UTCEPSS rescore
- 2026-08-06 13:42 UTCEPSS rescore
- 2026-08-05 19:12 UTCEPSS rescore
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- 2026-08-01 04:11 UTCEPSS rescore
- 2026-07-30 01:26 UTCEPSS rescore
- 2026-07-30 01:26 UTCEPSS rescore
- 2026-07-29 23:37 UTCOSV refresh
- 2026-07-28 15:31 UTCEPSS rescore
- 2026-07-26 14:50 UTCEPSS rescore
- 2026-07-25 14:13 UTCEPSS rescore
- 2026-07-24 14:13 UTCEPSS rescore
- 2026-07-23 14:14 UTCEPSS rescore
- 2026-07-23 01:20 UTCEG score recompute
- 2026-07-23 00:21 UTCEG score recompute
- 2026-07-22 22:00 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-21 15:21 UTCEPSS rescore
- 2026-07-21 15:21 UTCEPSS rescore
- 2026-07-20 17:03 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-18 10:00 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-15 16:54 UTCEPSS rescore
- 2026-07-15 16:54 UTCEPSS rescore
- 2026-07-15 01:56 UTCEPSS rescore
- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-12 09:38 UTCOSV refresh
- 2026-07-12 05:42 UTCEPSS rescore
- 2026-07-11 08:23 UTCEPSS rescore
- 2026-07-09 19:05 UTCEPSS rescore
- 2026-07-09 19:05 UTCEPSS rescore
- 2026-07-08 15:10 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:26 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:05 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 15:20 UTCOSV refresh
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
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- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
Frequently asked(5)
What is CVE-2015-8872?
When was CVE-2015-8872 disclosed?
Is CVE-2015-8872 actively exploited?
What is the CVSS score of CVE-2015-8872?
How do I remediate CVE-2015-8872?
Dependency Blast Radius
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