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CVE-2026-6684

FatFS

Descrição

FatFs prior to R0.16 that use GPT scanning with -FF_LBA64 = 1- contains an issue where an unbounded loop count derived from GPT header field GPTH_PtNum, enabling extremely long or effectively infinite mount-time scans. This maps to CWE-835 (Loop with Unreachable Exit Condition). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (4.6, Medium). The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Partial.

CVSS 4.6EPSS 0.42900000000000005%Risco 0.48
Ver fonte
Publicação
2026-07-01 15:17:12
Versões afetadas
cannotmatch
Tipo
Firmware
Vetor
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H