CVE-2026-6686: Fatfs: güvenlik açığı

Açıklama (NVD)

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.

Özet bilgiler

Ürün

Elm-chan Fatfs

CVSS v3.1

4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

%0,26 (yüzdelik 17)

CWE

CWE-908

Yama

Yok / bilinmiyor

Etkilenen sürümler

Kaynaklar

• NVD kaydı
• elm-chan.org
• github.com
• www.runzero.com
• www.runzero.com
• github.com
• CWE-908