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Wed, 01 Jul 2026 15:30:00 +0000
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Wed, 01 Jul 2026 14:30:00 +0000
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| Description | FatFs R0.16 and earlier contains a stack overflow bug in f_getlabel() because exFAT label length (XDIR_NumLabel) is trusted without enforcing spec maximums. This maps to CWE-121 (Stack-based Buffer Overflow). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H (7.6, High). The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Total. | |
| Title | FatFs Stack Buffer Overflow via Uncapped exFAT Label Length | |
| Weaknesses | CWE-121 | |
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cvssV3_1
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Subscriptions
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Status: PUBLISHED
Assigner: runZero
Published:
Updated: 2026-07-01T15:06:24.705Z
Reserved: 2026-04-20T15:06:23.356Z
Link: CVE-2026-6687
Updated: 2026-07-01T15:06:16.964Z
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OpenCVE Enrichment
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