Description
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%Risk 0.48
View source- Published
- 2026-07-01 15:17:12
- Affected versions
- cannotmatch
- Type
- Firmware
- Vector
- CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H