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Wed, 01 Jul 2026 16:30:00 +0000
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ssvc
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Wed, 01 Jul 2026 14:30:00 +0000
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| Description | FatFs R0.16 and earlier contains an uninitialized cluster exposure when f_lseek() extends files beyond EOF without zero-filling newly allocated clusters. This maps to CWE-908 (Use of Uninitialized Resource). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (4.6, Medium). The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Partial. | |
| Title | FatFs Use of Uninitialized Clusters After Seek Past EOF | |
| Weaknesses | CWE-908 | |
| References |
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| Metrics |
cvssV3_1
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Subscriptions
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Status: PUBLISHED
Assigner: runZero
Published:
Updated: 2026-07-01T15:05:27.926Z
Reserved: 2026-04-20T15:06:22.242Z
Link: CVE-2026-6686
Updated: 2026-07-01T15:05:15.476Z
No data.
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OpenCVE Enrichment
Updated: 2026-07-01T21:15:05Z