CVE-2026-42618CWE-122CWE-193

CVE-2026-42618

High · published October 7, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
3.6
In the wild
Unconfirmed
What it is

In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_decompress() in compress.c that allows an attacker to corrupt one byte of heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered by reading the special crafted file.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00147 · 3.6th percentile
Weaknesses
CWE-122 · Heap-based Buffer Overflow; CWE-193 · Off-by-one Error
Published
2026-10-07T18:17Z
Affected products (1)
ProductVersionsFixed in
tuxera/ntfs-3g< 2026.7.72026.7.7
References (2)
https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7 · [email protected]https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-6whp-3f63-97qw · [email protected]
EPSS history
Timeline
  • 09 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 07 OCT 00:00Z
    In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_decompress() in compress.c that allows an attacker to corrupt one byte of heap memory in the…
    cvelistv5