CVE-2026-46569
Tuxera ntfs-3g: out-of-bounds write
- Risk score
- 47/100
- CVSS
- 7.7 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 7 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ib_copy_tail(), in libntfs-3g/index.c, that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered by extending a directory, e.g., by creating a file.
- Affected
- Tuxera ntfs-3g before 2026.7.7
- Fix
- Upgrade Tuxera ntfs-3g to 2026.7.7 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.7 high
References
Original description
In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ib_copy_tail(), in libntfs-3g/index.c, that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered by extending a directory, e.g., by creating a file.
Last activity 7 Oct 2026. Patch Forecast updates every hour.