CVE-2026-46569In 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 m…
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EPSS puts the chance of exploitation in the next 30 days at 0.16%, higher than 5% of scored CVEs.
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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.
- CVSS
- 7.7 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Weakness (CWE)
- CWE-122
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.16% (percentile 5)
- Assigned by
- mitre
- NVD analysis
- Modified
- Record last updated
- Oct 9, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
tuxera ntfs-3g tuxera:ntfs-3g | before 2026.7.7 | NVD |
References
- https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-xxv8-9r24-hcj9
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.