PT-2026-54929
CVE-2026-6687
·
Published
2026-07-01
·
Updated
2026-07-06
Description by
CVSS 3.1
7.6
HighMetricsAV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
FatFs versions R0.16 and earlier
Description
A stack-based buffer overflow occurs in the
f getlabel() function. This issue arises because the exFAT label length XDIR NumLabel is trusted without enforcing the maximum limits defined by the specification.Recommendations
As a temporary workaround, consider restricting the use of the
f getlabel() function until a patch is available.Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
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