7.7
CVE-2026-46569
- EPSS 0.16%
- Veröffentlicht 07.10.2026 00:00:00
- Zuletzt bearbeitet 09.10.2026 14:17:21
- Erkennungen
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.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.16% | 0.046 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| NIST | 7.7 | 2.5 | 5.2 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
|
| CISA-ADP | 7.7 | 2.5 | 5.2 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
|
CWE-122 Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7
https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-xxv8-9r24-hcj9