CVE-2026-42618

HIGH7.1

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

Published Oct 7, 2026

Modified 2 weeks ago

Details

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.

References

WEB

https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7

WEB

https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-6whp-3f63-97qw

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-42618

CVSS Analysis

CVSS v3.1

7.1

Exploitability

Attack Vector