CVE-2026-42616 Memory corruption in n/a
A heap buffer overflow in NTFS-3G allows attackers to corrupt memory and potentially execute code via a malicious NTFS image.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-42616?
CVE-2026-42616 is a high-severity memory corruption vulnerability in n/a, published on 7 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Which versions are affected by CVE-2026-42616?
It affects 1 product.
Products include Tuxera Ntfs-3g.
How do I fix CVE-2026-42616?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-42616 being exploited?
There is no known exploitation of CVE-2026-42616 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as AZL-106863, DEBIAN-CVE-2026-42616, GHSA-p6mp-gp2j-7358, UBUNTU-CVE-2026-42616.