CVE-2026-47224: CWE-125: Out-of-bounds Read in M2Team NanaZip
NanaZip versions from 3.0.1000.0 up to but not including 6.0.1698.0 contain a heap buffer-overflow read vulnerability in the LVM2 physical-volume metadata parser. This vulnerability is triggered by opening a specially crafted LVM disk image. The issue has been patched in version 6.0.1698.0 and later.
AI Analysis
Technical Summary
CVE-2026-47224 describes a heap buffer-overflow read vulnerability (CWE-125) in NanaZip, a 7-Zip derivative for Windows. The flaw exists in the LVM2 physical-volume metadata parser component (via the upstream 7-Zip LvmHandler) and affects versions from 3.0.1000.0 to before 6.0.1698.0. The vulnerability can be triggered by opening a crafted LVM disk image, potentially causing an out-of-bounds read on the heap. This issue has been addressed and patched in stable release 6.0.1698.0 and preview release 6.5.1742.0.
Potential Impact
The vulnerability results in a heap buffer-overflow read, which may cause application instability or crashes (denial of service). There is no indication of confidentiality or integrity impact. The CVSS v3.1 base score is 4.3 (medium severity), reflecting network attack vector, low complexity, no privileges required, user interaction required, unchanged scope, and impact limited to availability.
Mitigation Recommendations
A fix is available in NanaZip version 6.0.1698.0 and later. Users should upgrade to this version or newer to remediate the vulnerability. No additional mitigation steps are indicated or required according to the available data.
CVE-2026-47224: CWE-125: Out-of-bounds Read in M2Team NanaZip
Description
NanaZip versions from 3.0.1000.0 up to but not including 6.0.1698.0 contain a heap buffer-overflow read vulnerability in the LVM2 physical-volume metadata parser. This vulnerability is triggered by opening a specially crafted LVM disk image. The issue has been patched in version 6.0.1698.0 and later.
CVSS v3.1
Score 4.3medium
Affected software
pkg:github/m2team/NanaZipRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-47224 describes a heap buffer-overflow read vulnerability (CWE-125) in NanaZip, a 7-Zip derivative for Windows. The flaw exists in the LVM2 physical-volume metadata parser component (via the upstream 7-Zip LvmHandler) and affects versions from 3.0.1000.0 to before 6.0.1698.0. The vulnerability can be triggered by opening a crafted LVM disk image, potentially causing an out-of-bounds read on the heap. This issue has been addressed and patched in stable release 6.0.1698.0 and preview release 6.5.1742.0.
Potential Impact
The vulnerability results in a heap buffer-overflow read, which may cause application instability or crashes (denial of service). There is no indication of confidentiality or integrity impact. The CVSS v3.1 base score is 4.3 (medium severity), reflecting network attack vector, low complexity, no privileges required, user interaction required, unchanged scope, and impact limited to availability.
Mitigation Recommendations
A fix is available in NanaZip version 6.0.1698.0 and later. Users should upgrade to this version or newer to remediate the vulnerability. No additional mitigation steps are indicated or required according to the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-18T22:25:21.259Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2c3d54e617e2d83492a821
Added to database: 06/12/2026, 17:09:40 UTC
Last enriched: 06/19/2026, 18:26:26 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 63
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