CVE-2026-47224 NanaZip: Heap buffer-overflow read in NanaZip LVM metadata CRC check
Attackers can cause a heap buffer overflow read in NanaZip by tricking users into opening a crafted LVM disk image, potentially leading to crashes or information disclosure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-47224?
CVE-2026-47224 is a medium-severity memory corruption vulnerability in M2Team NanaZip, published on 12 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap buffer-overflow read exists in the LVM2 physical-volume metadata parser in NanaZip (via the upstream 7-Zip LvmHandler). The vulnerability is triggered when opening a crafted LVM disk image. This issue has been patched in stable version 6.0.1698.0 and preview version 6.5.1742.0.
Weakness: CWE-125
Which versions are affected by CVE-2026-47224?
How do I fix CVE-2026-47224?
No fix has been published for CVE-2026-47224 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-47224 being exploited?
There is no known exploitation of CVE-2026-47224 in the wild and no public exploit code.
Sources
Also known as GHSA-qcgf-c2vp-fwjr.