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Alerts This Week
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Debian 11 DLA-4544-1 ntfs-3g Critical Buffer Overflow Risk CVE-2026-40706

debian lts
Calendar Grey April 21, 2026
Dist Debian Esm H88
Critical buffer overflow in ntfs-3g allows local privilege escalation on Debian 11. Upgrade recommended for security.
Andrea Bocchetti discovered a heap-based buffer overflow in NTFS-3G, a read-write NTFS driver for FUSE
Topics%20covered

Topics Covered

security advisory buffer overflow critical debian privilege escalation ntfs-3g

Summary

Andrea Bocchetti discovered a heap-based buffer overflow in NTFS-3G, a
read-write NTFS driver for FUSE. A local user can take advantage of this
flaw for local root privilege escalation.


For Debian 11 bullseye, this problem has been fixed in version
1:2017.3.23AR.3-4+deb11u5.

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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS



Severity
critical
Lowest
Low
Medium
High
Critical

Package: ntfs-3g
Version: 1:2017.3.23AR.3-4+deb11u5
CVE ID: CVE-2026-40706

Topics%20covered

Topics Covered

security advisory buffer overflow critical debian privilege escalation ntfs-3g

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