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Debian DSA-6221-1 NTFS-3G Critical Buffer Overflow Privilege Escalation

debian
Calendar Grey April 21, 2026
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Heap-based buffer overflow in NTFS-3G affects local users with privilege escalation risks in Debian distributions.
Andrea Bocchetti discovered a heap-based buffer overflow in NTFS-3G, a read-write NTFS driver for FUSE

Summary

For the oldstable distribution (bookworm), this problem has been fixed
in version 1:2022.10.3-1+deb12u3.

For the stable distribution (trixie), this problem has been fixed in
version 1:2022.10.3-5+deb13u1.

We recommend that you upgrade your ntfs-3g packages.

For the detailed security status of ntfs-3g please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/ntfs-3g

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
High
Critical

Package: ntfs-3g
CVE ID: CVE-2026-40706

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