CVE-2026-42616: Buffer Overflow

Published Oct 7, 2026
·
Updated

In NTFS-3G before 2026.7.7, a heap buffer overflow exists in cat() in ntfscat.c that allows an attacker to corrupt heap memory in the ntfscat binary by crafting a malicious NTFS image. The overflow is triggered by reading a file.

Affected Software

6 affected componentsFixes available
Microsoft azl3 ntfs-3g 2022.10.3-5<2022.10.3-5
2022.10.3-5
tuxera NTFS-3G<2026.7.7
debian/ntfs-3g<1:2022.10.3-1+deb12u4
1:2022.10.3-1+deb12u4
debian/ntfs-3g<1:2022.10.3-5+deb13u2
1:2022.10.3-5+deb13u2
debian/ntfs-3g<1:2026.7.7-2
1:2026.7.7-2
debian/ntfs-3g<=1:2022.10.3-1+deb12u3
1:2022.10.3-1+deb12u41:2022.10.3-5+deb13u21:2022.10.3-5+deb13u31:2026.9.28-2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2022.10.3-5
  2. Upgrade

    Upgrade debian/ntfs-3g to a version that resolves this vulnerability.

    Fixed in 1:2022.10.3-1+deb12u4
  3. Upgrade

    Upgrade debian/ntfs-3g to a version that resolves this vulnerability.

    Fixed in 1:2022.10.3-5+deb13u2
  4. Upgrade

    Upgrade debian/ntfs-3g to a version that resolves this vulnerability.

    Fixed in 1:2026.7.7-2
  5. Upgrade

    Upgrade debian/ntfs-3g to a version that resolves this vulnerability.

    Fixed in 1:2022.10.3-1+deb12u4Fixed in 1:2022.10.3-5+deb13u2Fixed in 1:2022.10.3-5+deb13u3Fixed in 1:2026.9.28-2
  6. Upgrade

    Upgrade NTFS-3G to a version that resolves this vulnerability.

    Fixed in 2026.7.7

Event History

Oct 7, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·02:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·02:17 PM
DescriptionSeverityAffected Software
Oct 10, 2026
Data Sourced
via Microsoft·08:05 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2026-42616?

CVE-2026-42616 has been assigned a risk score of 30, indicating a significant security concern.

2

How do I fix CVE-2026-42616?

To mitigate CVE-2026-42616, update the ntfs-3g package to the latest version provided by Debian.

3

What systems are affected by CVE-2026-42616?

CVE-2026-42616 affects systems using the Debian distribution with the ntfs-3g software installed.

4

What type of vulnerability is CVE-2026-42616?

CVE-2026-42616 is classified as a critical vulnerability that can lead to potential data corruption.

5

When was CVE-2026-42616 last updated?

CVE-2026-42616 was last updated on 16 July 2026.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203