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 flaw occurs when opening a specially crafted LVM disk image. The issue has been patched in version 6.0.1698.0 and later. The vulnerability has a CVSS score of 4.3, indicating medium severity, and does not impact confidentiality or integrity but can cause availability issues.
AI Analysis
Technical Summary
CVE-2026-47224 is 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 (via the upstream 7-Zip LvmHandler) and affects versions from 3.0.1000.0 to before 6.0.1698.0. It is triggered by opening a crafted LVM disk image, potentially causing a denial of service due to application instability. The vulnerability is patched in stable release 6.0.1698.0 and preview release 6.5.1742.0.
Potential Impact
The vulnerability allows an attacker to cause a heap buffer-overflow read, which can lead to application crashes or denial of service. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild.
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.
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 flaw occurs when opening a specially crafted LVM disk image. The issue has been patched in version 6.0.1698.0 and later. The vulnerability has a CVSS score of 4.3, indicating medium severity, and does not impact confidentiality or integrity but can cause availability issues.
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 is 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 (via the upstream 7-Zip LvmHandler) and affects versions from 3.0.1000.0 to before 6.0.1698.0. It is triggered by opening a crafted LVM disk image, potentially causing a denial of service due to application instability. The vulnerability is patched in stable release 6.0.1698.0 and preview release 6.5.1742.0.
Potential Impact
The vulnerability allows an attacker to cause a heap buffer-overflow read, which can lead to application crashes or denial of service. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild.
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.
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: 6/12/2026, 5:09:40 PM
Last enriched: 6/12/2026, 5:24:28 PM
Last updated: 6/12/2026, 6:12:50 PM
Views: 3
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