CVE-2015-8872
dosfstools: Off-by-2 error leading to corruption in FAT12
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Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · May 14, 2016
Updated · November 21, 2025
Description
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."
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 · 4.4AV:L/AC:M/Au:N/C:P/I:P/A:P
CWE-193 · Off-by-one Error