CVE-2026-47224CWE-125

NanaZip: Heap buffer-overflow read in NanaZip LVM metadata CRC check

Medium · published June 12, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
23.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00315 · 23.2th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-06-12T16:57Z
EPSS history
Timeline
  • 12 JUN 16:57Z
    NanaZip: Heap buffer-overflow read in NanaZip LVM metadata CRC check
    cvelistv5