CVE-2026-6687
גבוהה 7.6
תיאור (מקור, אנגלית)
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.
מדדים
- CVSS 3.1
-
7.6 (HIGH)
מקור הציון: CNA
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - EPSS — סבירות ניצול
- 0% (אחוזון 000) נכון ל-15/8/2026
- CWE
- CWE-121
מוצרים מושפעים
elm-chan: fatfs
קישורים
- https://github.com/runZeroInc/vulns-2026-fatfs-chance Third Party AdvisoryExploit
- https://www.runzero.com/blog/fatfs-bugs/ Third Party AdvisoryExploit
- https://github.com/runZeroInc/vulns-2026-fatfs-chance Third Party AdvisoryExploit
- https://elm-chan.org/fsw/ff/ Product
- https://www.runzero.com/advisories/fatfs-exfat-label-len-of-cve-2026-6687/ Third Party Advisory