CVE-2026-6687: Fatfs: yığıt (stack) taşması

Açıklama (NVD)

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.

Özet bilgiler

Ürün

Elm-chan Fatfs

CVSS v3.1

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

EPSS

%0,35 (yüzdelik 29)

CWE

CWE-121

Yama

Yok / bilinmiyor

Etkilenen sürümler

Kaynaklar

• NVD kaydı
• elm-chan.org
• github.com
• www.runzero.com
• www.runzero.com
• github.com
• CWE-121